Vinylogous Michael Addition, 3-alkylidene-2-oxindoles, beta,gamma-unsaturated alpha-keto esters, tert-butyl (E)-3-(1,3-diaryl-6-ethoxy-5,6-dioxohexylidene)-2-oxoindoline-1-carboxylate, N-[3,5-Bis(trifluoromethyl)phenyl]-N′- [(8α,9S)-6′-methoxycinchonan-9-yl]thiourea, Quinine Derivative

The Vinylogous Michael Addition of 3‐Alkylidene‐2‐oxindoles to β,γ‐Unsaturated α‐Keto Esters by Bifunctional Cinchona Alkaloids.

10.1002/ejoc.202000835

RXNO_0000009

3-alkylidene-2-oxindoles, beta,gamma-unsaturated alpha-keto esters

tert-butyl (E)-3-(1,3-diaryl-6-ethoxy-5,6-dioxohexylidene)-2-oxoindoline-1-carboxylate

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

852913-16-7

Quinine Base

130-95-0