Hetero-Diels-Alder Cycloadditions of α,β
✍
Jin-Cong Zhuo; Hugo Wyler
📂
Article
📅
1999
🏛
John Wiley and Sons
🌐
German
⚖ 153 KB
👁 1 views
Cycloadditions of a,b-unsaturated acyl cyanides ( 2-oxonitriles) 1 ± 6 to styrene and its p-substituted derivatives 7a ± f,h are of inverse electron demand and provide, under mild conditions, regio-and stereoselectively 2-aryl-3,4-dihydro-2H-pyran-6-carbonitriles 8 ± 13, generally in good yield. Rat