Diastereodivergent Catalysis Using Modularly Designed Organocatalysts: Synthesis of both cis‐and trans‐Fused Pyrano [2, 3‐b] pyrans.
DOI Number:
10.1002/anie.201510134
Reaction Category:
RXNO ID:
RXNO_0000006
Educt:
substituted (E)-2-oxopent-3-enoate, 7-substituted (E)-7-oxo-hept-5-enal
Product:
cis‐and trans‐fused pyrano [2,3‐b] pyrans
Catalyst:
N-[3,5-Bis(trifluoromethyl)phenyl]-N′-[(9R)-6′- methoxycinchonan-9-yl]thiourea
Cas No:
852913-25-8
Associated Product from Buchler GmbH:
Quinidine Base
Cas No:
56-54-2