Lewis acid-promoted annulation of O-quinonediimines by allylstannane: a facile synthesis of quinoxaline derivatives.
[reaction: see text] Lewis acid-promoted addition of allyltri-n-butylstannane to o-quinonediimines afforded tetrahydroquinoxaline derivatives or allylated amides depending on the nature of the substituent on imine nitrogen.
Nair
Vijay
V
Organic Chemistry Division, Regional Research Laboratory (CSIR), Trivandrum, India. vijaynair_2001@yahoo.com
Dhanya
R
R
Rajesh
C
C
Bhadbhade
Mohan M
MM
Manoj
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