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1-[3,5-Bis(trifluoromethyl)phenyl]-3-[(1S,2S)-(+)-2-(dimethylamino)cyclohexyl]thiourea (S,S-TUC)

Catalog Number
ACM851477208
Product Name
1-[3,5-Bis(trifluoromethyl)phenyl]-3-[(1S,2S)-(+)-2-(dimethylamino)cyclohexyl]thiourea (S,S-TUC)
Structure
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CAS
851477-20-8
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Synonyms
MFCD09834840; NQRCAVZHOLYEBJ-KBPBESRZSA-N; 1-(3,5-bis-trifluoromethylphenyl)-3-((1S,2S)-2-dimethylaminocyclohexyl)-thiourea; 1-[3,5-Bis(trifluoromethyl)phenyl]-3-[(1S,2S)-(+)-2-(dimethylamino)cyclohexyl]thiourea(S,S-TUC); 1-[3,5-Bis(trifluoromethyl)phenyl]-3-[(1S,2S)-(+)-2-(dimethylamino)cyclohexyl]thiourea (S,S-TUC); 851477-20-8; 1-(3,5-Bis(trifluoromethyl)phenyl)-3-((1S,2S)-2-(dimethylamino)cyclohexyl)thiourea;
IUPAC Name
1-[3,5-bis(trifluoromethyl)phenyl]-3-[(1S,2S)-2-(dimethylamino)cyclohexyl]thiourea;
Molecular Weight
413.426g/mol
Molecular Formula
C17H21F6N3S;
Canonical SMILES
CN(C)C1CCCCC1NC(=S)NC2=CC(=CC(=C2)C(F)(F)F)C(F)(F)F;
InChI
InChI=1S/C17H21F6N3S/c1-26(2)14-6-4-3-5-13(14)25-15(27)24-12-8-10(16(18,19)20)7-11(9-12)17(21,22)23/h7-9,13-14H,3-6H2,1-2H3,(H2,24,25,27)/t13-,14-/m0/s1;
InChI Key
NQRCAVZHOLYEBJ-KBPBESRZSA-N;
Complexity
486
Covalently-Bonded Unit Count
1
Defined Atom Stereocenter Count
2
Exact Mass
413.136g/mol
H-Bond Acceptor
8
H-Bond Donor
2
Heavy Atom Count
27
Monoisotopic Mass
413.136g/mol
Rotatable Bond Count
3
Topological Polar Surface Area
59.4A^2
Application
1-[3,5-Bis(trifluoromethyl)phenyl]-3-[(1S,2S)-(+)-2-(dimethylamino)cyclohexyl]thiourea, commonly known as S,S-TUC, serves as a versatile catalyst with a broad range of applications in asymmetric synthesis. It is prominently used in the enantio- and diastereoselective Michael addition of malonates and ketoesters to nitroolefins, showcasing excellent selectivity and efficiency. Additionally, S,S-TUC facilitates the enantioselective hydrazination of 1,3-dicarbonyl compounds, enabling the production of chiral derivatives with high precision. Its capabilities extend to the dynamic resolution of azalactones, ensuring the attainment of pure enantiomers. In complex transformation reactions, S,S-TUC proves effective in the Michael-Aldol reaction involving 2-mercaptobenzaldehyde and α,β-unsaturated oxazolidinones. Furthermore, it is instrumental in the enantioselective synthesis of flavanones and chromanones, offering significant advantages for pharmaceutical and natural product synthesis. The catalyst also plays a critical role in the asymmetric Neber reaction and supports the three-component synthesis of 2,6-diazabicyclo[2.2.2]octanones, demonstrating its indispensable utility in advanced synthetic methodologies.
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