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Regioselective [4+2] cycloaddition versus nucleophilic reactions of N-arylamino substituted 1,3-diaza-1,3-butadienes with ketenes: Synthesis of pyrimidinone and fused pyrimidinone derivatives. Part II

โœ Scribed by Paramita D Dey; Arun K Sharma; Prasad V Bharatam; Mohinder P Mahajan


Book ID
108378744
Publisher
Elsevier Science
Year
1997
Tongue
French
Weight
564 KB
Volume
53
Category
Article
ISSN
0040-4020

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4-(N-Allyl-N-aryl)amino-l,3-diaza-l,3-butadienes 2, prepared by the treatment of N-ary. lamino-l,3-diaza-l,3-butedienes 1 with allyi bromide, underwent [4+2] cycloadditions with vinyl/isol~of.,enyl-and accorapanied by rearrangements in case of chloroketenes, to yield 5-vinyl/isopmpenyl pyrimidinones