Highly enantioselective Biginelli reactions using methanopyroline/thiourea – based dual organocatalyst systems: asymmetric synthesis of 4-substituted unsaturated aryl dihydropyrimidines.

DOI Number:

10.1016/j.tetasy.2016.11.015

Reaction Category:

RXNO ID:

RXNO_0000236

Educt:

α,β-unsaturated aldehydes, thiourea, β-ketoesters

Product:

3,4-dihydro-pyrimidin-2-(1H)-thiones

Catalyst:

trans-4,5-methano-L-proline, N-[3,5-Bis(trifluoromethyl)phenyl]-N′-[(8α,9S)-6′-methoxycinchonan-9-yl]thiourea

Cas No:

852913-16-7

Associated Product from Buchler GmbH:

N-[3,5-Bis(trifluoromethyl)phenyl]-N′-[(8α,9S)-6′-methoxycinchonan-9-yl]thiourea

Cas No:

852913-16-7