Asymmetric formal [4+2] annulation of o-quinone methides with β-keto acylpyrazoles: a general approach to optically active trans-3,4-dihydrocoumarins.
DOI Number:
10.1021/acs.joc.8b00234
Reaction Category:
Educt:
o-quinone methides, β-keto acylpyrazoles
Product:
trans-3,4-dihydrocoumarins
Catalyst:
3-[[3,5-bis(trifluoromethyl)phenyl]amino]-4-[[(8α,9S)-6′-methoxycinchonan-9-yl]amino]-3-Cyclobutene-1,2-dione
Cas No:
1256245-84-7
Associated Product from Buchler GmbH:
3-[[3,5-bis(trifluoromethyl)phenyl]amino]-4-[[(8α,9S)-6′-methoxycinchonan-9-yl]amino]-3-Cyclobutene-1,2-dione
Cas No:
1256245-84-7