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8432311 
Journal Article 
Dual regioselectivity in the photoallylation of electron-deficient alkenes by allylic silanes 
Mizuno, K; Ikeda, M; Otsuji, Y 
1988 
Yes 
Chemistry Letters
ISSN: 0366-7022
EISSN: 1348-0715 
Chemical Society of Japan 
17 
9 
1507-1510 
English 
The photoreaction of 1-aryl-2,2-dicyanoethenes with allylic silanes in the presence of phenanthrene gave 4-aryl-5,5-dicyano-1-pentenes in high yields. In this photoreaction, the allylic groups were introduced regioselectively at the β-position to cyano group. In contrast, the photoreaction of alkylidenepropanedinitriles with allylic silanes gave products allylated at the α-position to cyano group along with their reduction products. © 1988 The Chemical Society of Japan.