Page last updated: 2024-08-23

alkenes and thiourea

alkenes has been researched along with thiourea in 51 studies

Research

Studies (51)

TimeframeStudies, this research(%)All Research%
pre-19900 (0.00)18.7374
1990's0 (0.00)18.2507
2000's20 (39.22)29.6817
2010's27 (52.94)24.3611
2020's4 (7.84)2.80

Authors

AuthorsStudies
Bartsch, M; Demko, ZP; Sharpless, KB1
Connon, SJ; McCooey, SH1
Duan, W; Li, H; Wang, J; Wang, W; Zu, L1
Huang, H; Jacobsen, EN1
Huang, S; Pan, Y; Wan, J; Wu, A; Yan, L; Zhu, Y1
Cao, CL; Sun, XL; Tang, Y; Ye, MC1
Chen, Y; Jacobsen, EN; Lalonde, MP1
Hamza, A; Papai, I; Schubert, G; Soós, T1
Cui, HF; Dong, KY; Li, XJ; Liu, K; Ma, JA; Nie, J1
Chai, Q; Chen, YC; Cui, HL; Ding, LS; Li, BJ; Liu, TY; Long, J; Wu, Y1
Dong, XQ; Wang, CJ; Wu, XJ; Zhang, ZH1
An, J; Cao, YJ; Liu, XP; Lu, LQ; Ming, ZH; Xiao, WJ; Yao, CJ1
Du, DM; Liu, H; Zhou, WM1
Rabalakos, C; Wulff, WD1
Alemán, J; Cabrera, S; Jørgensen, KA; Milelli, A; Reyes, E1
Han, X; Liu, C; Lu, Y; Luo, J1
Inokuma, T; Sakaeda, T; Takasu, K; Takemoto, Y1
Barbas, CF; Bui, T; Syed, S1
Jiang, X; Lai, L; Liu, X; Wang, R; Wu, L; Zhang, G; Zhang, J; Zhang, Y1
Barbas, CF; Uehara, H1
Jiang, X; Lin, L; Wang, R; Yan, W; Zhang, B; Zhang, Y1
Jacobsen, EN; Tao, Y; Woll, MG; Xu, H; Zuend, SJ1
Cao, YJ; Chen, JR; Fu, L; Tan, F; Xiao, WJ; Zhu, XY; Zou, YQ1
Jørgensen, KA; Lykke, L; Monge, D; Nielsen, M1
Li, X; Li, XJ; Li, YM; Peng, FZ; Shao, ZH; Sun, ZW; Wu, WT; Zhang, SX1
An, J; Chen, JR; Tan, F; Wang, XF; Xiao, WJ; Zhang, XX1
Kratzer, D; Lauber, MB; Muhr, V; Paradies, J; Schneider, JF1
Du, XL; Pei, QL; Sun, HW; Wu, ZJ; Yuan, WC; Zhang, XM1
Czugler, M; Drahos, L; Holczbauer, T; Jakab, G; Soós, T; Varga, S1
Cheng, JP; Dong, N; Jin, JL; Li, X; Liu, C; Tan, BX; Wang, B; Xue, XS; Zhang, YY1
Gröger, H; Hummel, W; Schnapperelle, I1
Bergonzini, G; Melchiorre, P; Retini, M1
Atodiresei, I; Bolm, C; Jörres, M; Schiffers, I1
Mei, RQ; Peng, L; Tian, F; Wang, F; Wang, LX; Xu, XY1
Huang, K; Li, S; Wang, R; Zhang, X; Zhao, Q1
Dou, X; Lu, Y; Yao, W; Zhou, B1
Daniels, DS; Slawin, AM; Smith, AD; West, TH1
Bao, Z; Xing, H; Zhang, Z1
Cornwall, RG; Shi, Y; Wang, Q; Zhu, Y1
Bugaut, X; Cheshmedzhieva, D; Constantieux, T; Gaudel-Siri, A; Génisson, Y; Naubron, JV; Plaquevent, JC; Quintard, A; Rodriguez, J; Sanchez Duque, Mdel M1
Fang, YQ; Jacobsen, EN; Tadross, PM1
Benaglia, M; Celentano, G; Massolo, E; Orlandi, M; Rossi, S1
Chai, Y; Chen, W; Feng, Y; He, C; Ren, X; Yao, W; Zhang, S1
Jockusch, S; Pemberton, BC; Selvakumar, S; Sibi, MP; Sivaguru, J; Vallavoju, N1
Bernardi, L; Fochi, M1
Chen, F; Chen, Q; Han, X; Wang, Y; Ye, C; Zeng, X1
Avila-Ortiz, CG; Díaz-Corona, L; Jiménez-González, E; Juaristi, E1
Jacobsen, EN; Kutateladze, DA1
Murtinho, D; Rénio, M; Ventura, MR1
Aguirre, G; Chávez, D; Cooksy, AL; Cruz, H; Madrigal, D; Pérez, S; Servín, FA; Somanathan, R1
Jacobsen, EN; Kutateladze, DA; Wagen, CC1

Reviews

2 review(s) available for alkenes and thiourea

ArticleYear
N,N'-Bis[3,5-bis(trifluoromethyl)phenyl]thiourea: a privileged motif for catalyst development.
    Organic & biomolecular chemistry, 2014, May-28, Volume: 12, Issue:20

    Topics: Alkenes; Catalysis; Manganese; Oxidation-Reduction; Stereoisomerism; Thiourea

2014
Organocatalytic asymmetric epoxidation and aziridination of olefins and their synthetic applications.
    Chemical reviews, 2014, Aug-27, Volume: 114, Issue:16

    Topics: Alkenes; Amines; Aspartic Acid; Aziridines; Catalysis; Molecular Structure; Peptides; Pyrrolidines; Thiourea

2014

Other Studies

49 other study(ies) available for alkenes and thiourea

ArticleYear
Primary amides. A general nitrogen source for catalytic asymmetric aminohydroxylation of olefins.
    Organic letters, 2000, Jul-27, Volume: 2, Issue:15

    Topics: Acetamides; Alkenes; Amides; Cinnamates; Hydroxylation; Nitrogen; Stereoisomerism; Thiourea

2000
Urea- and thiourea-substituted cinchona alkaloid derivatives as highly efficient bifunctional organocatalysts for the asymmetric addition of malonate to nitroalkenes: inversion of configuration at C9 dramatically improves catalyst performance.
    Angewandte Chemie (International ed. in English), 2005, Oct-07, Volume: 44, Issue:39

    Topics: Alkenes; Catalysis; Cinchona Alkaloids; Malonates; Models, Chemical; Molecular Structure; Nitro Compounds; Stereoisomerism; Thiourea; Urea

2005
Organocatalytic asymmetric Michael addition of 2,4-pentandione to nitroolefins.
    Organic letters, 2005, Oct-13, Volume: 7, Issue:21

    Topics: Alkenes; Catalysis; Models, Molecular; Molecular Structure; Naphthalenes; Nitro Compounds; Pentanones; Stereoisomerism; Thiourea

2005
Highly enantioselective direct conjugate addition of ketones to nitroalkenes promoted by a chiral primary amine-thiourea catalyst.
    Journal of the American Chemical Society, 2006, Jun-07, Volume: 128, Issue:22

    Topics: Alkenes; Amines; Catalysis; Ketones; Molecular Structure; Nitro Compounds; Stereoisomerism; Thiourea

2006
Two novel diastereoselective three-component reactions of alkenes or 3,4-dihydro-(2H)-pyran with urea/thiourea-aldehyde mixtures: [4 + 2] cycloaddition vs Biginelli-type reaction.
    Organic letters, 2006, Jun-08, Volume: 8, Issue:12

    Topics: Aldehydes; Alkenes; Catalysis; Molecular Structure; Pyrans; Stereoisomerism; Thiourea; Urea

2006
Pyrrolidine-thiourea as a bifunctional organocatalyst: highly enantioselective Michael addition of cyclohexanone to nitroolefins.
    Organic letters, 2006, Jul-06, Volume: 8, Issue:14

    Topics: Alkenes; Catalysis; Cyclohexanones; Molecular Structure; Nitro Compounds; Pyrrolidines; Stereoisomerism; Thiourea

2006
A chiral primary amine thiourea catalyst for the highly enantioselective direct conjugate addition of alpha,alpha-disubstituted aldehydes to nitroalkenes.
    Angewandte Chemie (International ed. in English), 2006, Sep-25, Volume: 45, Issue:38

    Topics: Aldehydes; Alkenes; Amines; Catalysis; Models, Chemical; Molecular Structure; Nitro Compounds; Stereoisomerism; Thiourea

2006
Theoretical studies on the bifunctionality of chiral thiourea-based organocatalysts: competing routes to C-C bond formation.
    Journal of the American Chemical Society, 2006, Oct-11, Volume: 128, Issue:40

    Topics: Alkenes; Catalysis; Crystallography, X-Ray; Ketones; Models, Molecular; Nitro Compounds; Pentanones; Stereoisomerism; Thermodynamics; Thiourea

2006
Highly enantioselective Michael addition of aromatic ketones to nitroolefins promoted by chiral bifunctional primary amine-thiourea catalysts based on saccharides.
    Organic letters, 2007, Mar-01, Volume: 9, Issue:5

    Topics: Acetophenones; Alkenes; Amines; Carbohydrates; Catalysis; Ketones; Molecular Structure; Nitrogen; Stereoisomerism; Thiourea

2007
Organocatalytic asymmetric Friedel-Crafts alkylation/cascade reactions of naphthols and nitroolefins.
    Chemical communications (Cambridge, England), 2007, Jun-14, Issue:22

    Topics: Alkenes; Alkylation; Amines; Catalysis; Dimerization; Furans; Hydrocarbons, Cyclic; Hydroxylamines; Models, Chemical; Molecular Structure; Naphthalenes; Naphthols; Nitro Compounds; Stereoisomerism; Thiourea

2007
Chiral amine-thioureas bearing multiple hydrogen bonding donors: highly efficient organocatalysts for asymmetric Michael addition of acetylacetone to nitroolefins.
    Chemical communications (Cambridge, England), 2008, Mar-28, Issue:12

    Topics: Alkenes; Amines; Catalysis; Hydrogen Bonding; Ketones; Molecular Structure; Nitro Compounds; Pentanones; Stereoisomerism; Thiourea

2008
A new entry to cascade organocatalysis: reactions of stable sulfur ylides and nitroolefins sequentially catalyzed by thiourea and DMAP.
    Journal of the American Chemical Society, 2008, Jun-04, Volume: 130, Issue:22

    Topics: Alkenes; Catalysis; Nitro Compounds; Oxazolidinones; Pyridines; Sulfur Compounds; Thiourea

2008
Organocatalytic highly enantioselective Michael addition of 2-hydroxy-1,4-naphthoquinones to nitroalkenes.
    Organic letters, 2008, Jul-03, Volume: 10, Issue:13

    Topics: Alkenes; Catalysis; Cinchona Alkaloids; Crystallography, X-Ray; Hydroxylation; Models, Molecular; Molecular Structure; Naphthoquinones; Nitro Compounds; Stereoisomerism; Thiourea

2008
Enantioselective organocatalytic direct Michael addition of nitroalkanes to nitroalkenes promoted by a unique bifunctional DMAP-thiourea.
    Journal of the American Chemical Society, 2008, Oct-15, Volume: 130, Issue:41

    Topics: Alkanes; Alkenes; Catalysis; Molecular Structure; Nitro Compounds; Organic Chemistry Phenomena; Pyridines; Stereoisomerism; Thiourea

2008
Asymmetric 1,4-addition of oxazolones to nitroalkenes by bifunctional cinchona alkaloid thiourea organocatalysts: synthesis of alpha,alpha-disubstituted alpha-amino acids.
    Chemistry (Weinheim an der Bergstrasse, Germany), 2008, Volume: 14, Issue:35

    Topics: Alkenes; Amino Acids; Catalysis; Cinchona Alkaloids; Nitro Compounds; Oxazolone; Thiourea

2008
Asymmetric generation of fluorine-containing quaternary carbons adjacent to tertiary stereocenters: uses of fluorinated methines as nucleophiles.
    Chemical communications (Cambridge, England), 2009, Apr-21, Issue:15

    Topics: Alkenes; Carbon; Catalysis; Cinchona Alkaloids; Fluorine; Halogenation; Nitrogen Compounds; Stereoisomerism; Thiourea

2009
Hydroxyl group-directed organocatalytic asymmetric Michael addition of alpha,beta-unsaturated ketones with alkenylboronic acids.
    Organic letters, 2009, Jun-04, Volume: 11, Issue:11

    Topics: Alkenes; Boronic Acids; Catalysis; Ketones; Molecular Structure; Stereoisomerism; Thiourea

2009
Thiourea-catalyzed highly enantio- and diastereoselective additions of oxindoles to nitroolefins: application to the formal synthesis of (+)-physostigmine.
    Journal of the American Chemical Society, 2009, Jul-01, Volume: 131, Issue:25

    Topics: Alkenes; Catalysis; Cholinesterase Inhibitors; Indoles; Molecular Structure; Nitro Compounds; Oxindoles; Physostigmine; Stereoisomerism; Thiourea

2009
Enantio- and diastereoselective asymmetric addition of 1,3-dicarbonyl compounds to nitroalkenes in a doubly stereocontrolled manner catalyzed by bifunctional rosin-derived amine thiourea catalysts.
    The Journal of organic chemistry, 2009, Aug-07, Volume: 74, Issue:15

    Topics: Alkenes; Amines; Catalysis; Esters; Molecular Structure; Nitro Compounds; Resins, Plant; Stereoisomerism; Thiourea

2009
anti-Selective asymmetric Michael reactions of aldehydes and nitroolefins catalyzed by a primary amine/thiourea.
    Angewandte Chemie (International ed. in English), 2009, Volume: 48, Issue:52

    Topics: Aldehydes; Alkenes; Amines; Catalysis; Stereoisomerism; Thiourea

2009
Direct asymmetric Michael addition of thioether-based aryl sulfanyl-propan-2-one to nitroalkenes catalyzed by a chiral amine-thiourea bifunctional organocatalyst.
    Chirality, 2010, Volume: 22, Issue:7

    Topics: Acetone; Alkenes; Amines; Catalysis; Stereoisomerism; Sulfides; Thiourea

2010
Asymmetric cooperative catalysis of strong Brønsted acid-promoted reactions using chiral ureas.
    Science (New York, N.Y.), 2010, Feb-19, Volume: 327, Issue:5968

    Topics: Acids; Alkenes; Benzenesulfonates; Catalysis; Chemical Phenomena; Imines; Magnetic Resonance Spectroscopy; Protons; Stereoisomerism; Thiourea; Urea

2010
Novel thiourea-amine bifunctional catalysts for asymmetric conjugate addition of ketones/aldehydes to nitroalkenes: rational structural combination for high catalytic efficiency.
    Organic & biomolecular chemistry, 2010, Mar-21, Volume: 8, Issue:6

    Topics: Aldehydes; Alkenes; Amines; Catalysis; Cinchona Alkaloids; Cross-Linking Reagents; Ketones; Proline; Thiourea

2010
Asymmetric organocatalytic formal aza-Michael addition of ammonia to nitroalkenes.
    Chemistry (Weinheim an der Bergstrasse, Germany), 2010, Dec-03, Volume: 16, Issue:45

    Topics: Alkenes; Ammonia; Benzophenones; Catalysis; Combinatorial Chemistry Techniques; Hydrolysis; Imines; Molecular Structure; Nitro Compounds; Stereoisomerism; Thiourea

2010
Enantioselective and regioselective organocatalytic conjugate addition of malonates to nitroenynes.
    Chemistry, an Asian journal, 2011, Jan-03, Volume: 6, Issue:1

    Topics: Alkenes; Catalysis; Cinchona Alkaloids; Malonates; Molecular Structure; Stereoisomerism; Thiourea

2011
Catalytic asymmetric aza-Michael-Michael addition cascade: enantioselective synthesis of polysubstituted 4-aminobenzopyrans.
    Organic letters, 2011, Feb-18, Volume: 13, Issue:4

    Topics: Alkenes; Aniline Compounds; Benzopyrans; Catalysis; Combinatorial Chemistry Techniques; Molecular Structure; Nitro Compounds; Stereoisomerism; Thiourea

2011
Readily available hydrogen bond catalysts for the asymmetric transfer hydrogenation of nitroolefins.
    Organic & biomolecular chemistry, 2011, Jun-07, Volume: 9, Issue:11

    Topics: Alkenes; Amino Acids; Catalysis; Hydrogen Bonding; Hydrogenation; Molecular Conformation; Nitrogen Compounds; Stereoisomerism; Thiourea

2011
Catalytic asymmetric 1,6-Michael addition of arylthiols to 3-methyl-4-nitro-5-alkenyl-isoxazoles with bifunctional catalysts.
    The Journal of organic chemistry, 2011, Oct-07, Volume: 76, Issue:19

    Topics: Alkenes; Catalysis; Isoxazoles; Stereoisomerism; Substrate Specificity; Sulfhydryl Compounds; Thiourea

2011
Double diastereocontrol in bifunctional thiourea organocatalysis: iterative Michael-Michael-Henry sequence regulated by the configuration of chiral catalysts.
    Organic letters, 2011, Oct-21, Volume: 13, Issue:20

    Topics: Alkenes; Catalysis; Combinatorial Chemistry Techniques; Molecular Structure; Stereoisomerism; Thiourea

2011
Asymmetric Michael addition reactions of 3-substituted benzofuran-2(3H)-ones to nitroolefins catalyzed by a bifunctional tertiary-amine thiourea.
    Organic & biomolecular chemistry, 2012, Jan-14, Volume: 10, Issue:2

    Topics: Alkenes; Amines; Benzofurans; Catalysis; Thiourea

2012
Formal asymmetric hydration of non-activated alkenes in aqueous medium through a "chemoenzymatic catalytic system".
    Chemistry (Weinheim an der Bergstrasse, Germany), 2012, Jan-23, Volume: 18, Issue:4

    Topics: Alcohol Dehydrogenase; Alkenes; Catalysis; Molecular Structure; Palladium; Thiourea; Water

2012
Dioxindole in asymmetric catalytic synthesis: direct access to 3-substituted 3-hydroxy-2-oxindoles via 1,4-additions to nitroalkenes.
    Chemical communications (Cambridge, England), 2012, Apr-04, Volume: 48, Issue:27

    Topics: Alkenes; Amines; Catalysis; Indoles; Molecular Structure; Nitro Compounds; Stereoisomerism; Thiourea

2012
Asymmetric Michael additions of α-nitrocyclohexanone to aryl nitroalkenes catalyzed by natural amino acid-derived bifunctional thioureas.
    Organic letters, 2012, Sep-07, Volume: 14, Issue:17

    Topics: Alkenes; Amino Acids; Aspartic Acid; Catalysis; Glutamic Acid; Molecular Structure; Nitro Compounds; Piperidines; Pyrrolidines; Stereoisomerism; Thiourea

2012
Asymmetric Michael/cyclization tandem reaction of 4-hydroxycoumarin with β-nitroalkenes catalyzed by chiral bifunctional thioureas.
    Organic & biomolecular chemistry, 2013, Feb-28, Volume: 11, Issue:8

    Topics: 4-Hydroxycoumarins; Alkenes; Catalysis; Coumarins; Cyclization; Molecular Structure; Nitro Compounds; Thiourea

2013
A novel chiral bisphosphine-thiourea ligand for asymmetric hydrogenation of β,β-disubstituted nitroalkenes.
    Organic letters, 2013, Aug-02, Volume: 15, Issue:15

    Topics: Alkenes; Hydrogenation; Ligands; Nitro Compounds; Organophosphorus Compounds; Stereoisomerism; Thiourea

2013
Asymmetric synthesis of 3-spirocyclopropyl-2-oxindoles via intramolecular trapping of chiral aza-ortho-xylylene.
    Chemical communications (Cambridge, England), 2013, Oct-14, Volume: 49, Issue:80

    Topics: Alkenes; Amines; Aza Compounds; Catalysis; Indoles; Oxindoles; Stereoisomerism; Thiourea

2013
An isothiourea-catalyzed asymmetric [2,3]-rearrangement of allylic ammonium ylides.
    Journal of the American Chemical Society, 2014, Mar-26, Volume: 136, Issue:12

    Topics: Alkenes; Ammonium Compounds; Catalysis; Stereoisomerism; Substrate Specificity; Thiourea

2014
Origin of the enantioselectivity in organocatalytic Michael additions of β-ketoamides to α,β-unsaturated carbonyls: a combined experimental, spectroscopic and theoretical study.
    Chemistry (Weinheim an der Bergstrasse, Germany), 2015, Jan-07, Volume: 21, Issue:2

    Topics: Alkenes; Amides; Catalysis; Models, Molecular; Nitriles; Spectrum Analysis; Stereoisomerism; Thiourea

2015
Highly enantioselective, intermolecular hydroamination of allenyl esters catalyzed by bifunctional phosphinothioureas.
    Journal of the American Chemical Society, 2014, Dec-31, Volume: 136, Issue:52

    Topics: Alkenes; Amination; Catalysis; Esters; Stereoisomerism; Substrate Specificity; Thiourea

2014
Enantioselective organocatalytic reduction of β-trifluoromethyl nitroalkenes: an efficient strategy for the synthesis of chiral β-trifluoromethyl amines.
    Chemistry (Weinheim an der Bergstrasse, Germany), 2015, Feb-23, Volume: 21, Issue:9

    Topics: Alkenes; Amines; Catalysis; Esters; Hydrocarbons, Fluorinated; Molecular Structure; Nitro Compounds; Stereoisomerism; Thiourea

2015
Novel ferrocene-based bifunctional amine-thioureas for asymmetric Michael addition of acetylacetone to nitroolefins.
    Organic & biomolecular chemistry, 2015, May-07, Volume: 13, Issue:17

    Topics: Alkenes; Amines; Ferrous Compounds; Hydrogen Bonding; Metallocenes; Molecular Structure; Nitro Compounds; Pentanones; Stereoisomerism; Thiourea

2015
Organophotocatalysis: Insights into the Mechanistic Aspects of Thiourea-Mediated Intermolecular [2+2] Photocycloadditions.
    Angewandte Chemie (International ed. in English), 2016, 04-25, Volume: 55, Issue:18

    Topics: Alkenes; Catalysis; Coumarins; Cycloaddition Reaction; Light; Models, Molecular; Photochemical Processes; Thiourea

2016
A General Catalytic Enantioselective Transfer Hydrogenation Reaction of β,β-Disubstituted Nitroalkenes Promoted by a Simple Organocatalyst.
    Molecules (Basel, Switzerland), 2016, Jul-30, Volume: 21, Issue:8

    Topics: Alkenes; Catalysis; Hydrogen Bonding; Hydrogenation; Molecular Structure; Nitro Compounds; Stereoisomerism; Thiourea

2016
A highly enantioselective Friedel-Crafts reaction of 3,5-dimethoxylphenol with nitroolefins mediated by a bifunctional quinine derived thiourea catalyst.
    Organic & biomolecular chemistry, 2017, Apr-18, Volume: 15, Issue:16

    Topics: Alkenes; Catalysis; Phloroglucinol; Quinine; Stereoisomerism; Thiourea

2017
Asymmetric Michael Addition Organocatalyzed by α,β-Dipeptides under Solvent-Free Reaction Conditions.
    Molecules (Basel, Switzerland), 2017, Aug-10, Volume: 22, Issue:8

    Topics: 4-Aminopyridine; Aldehydes; Alkenes; Catalysis; Dipeptides; Hydrogen Bonding; Maleimides; Nitro Compounds; Solvents; Stereoisomerism; Thiourea

2017
Cooperative Hydrogen-Bond-Donor Catalysis with Hydrogen Chloride Enables Highly Enantioselective Prins Cyclization Reactions.
    Journal of the American Chemical Society, 2021, 12-08, Volume: 143, Issue:48

    Topics: Alcohols; Aldehydes; Alkenes; Benzopyrans; Catalysis; Cyclization; Hydrochloric Acid; Hydrogen Bonding; Quinine; Stereoisomerism; Thiourea; Urea

2021
New bifunctional 1,3-diamine organocatalysts derived from (+)-camphoric acid for asymmetric Michael addition of 1,3-dicarbonyl compounds to nitroolefins.
    Chirality, 2022, Volume: 34, Issue:5

    Topics: Alkenes; Diamines; Molecular Structure; Stereoisomerism; Thiourea

2022
Chiral C
    Chirality, 2022, Volume: 34, Issue:6

    Topics: Alkenes; Catalysis; Nitro Compounds; Stereoisomerism; Thiourea

2022
Chloride-Mediated Alkene Activation Drives Enantioselective Thiourea and Hydrogen Chloride Co-Catalyzed Prins Cyclizations.
    Journal of the American Chemical Society, 2022, 08-31, Volume: 144, Issue:34

    Topics: Alkenes; Anions; Catalysis; Chlorides; Cyclization; Halogens; Hydrochloric Acid; Stereoisomerism; Thiourea

2022