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Use of 3–(2′-formyl-1′-chlorovinyl)coumarin in the syntheses of pyrazol, salicylaldazine and pyrimidine derivatives

✍ Scribed by Ibrahim M. El-Deen

Book ID
102098579
Publisher
John Wiley and Sons
Year
2010
Tongue
English
Weight
347 KB
Volume
17
Category
Article
ISSN
0256-7660

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✦ Synopsis

Faculty of,!?&cabn, Suez Canal UniYmity , Port-Said, Egypt Absh.act 3-(F'yraml-S-yl)cod (3) was prepand fmm condensation of 3-(2'-formyl-l'-chlo10vinyl)-cOumarin (1) with hydmzine hydrate at mom temperature, followed by cychtion with base. Salicylaldazine was prepared fmrn methoxylation of 1 to give a c e d 7, followed by condensation of 7 with hydrazine hydrate at 809:. Treatment of aced 7 with thiourea yielded the componding 4 -s u b s t i t u t e d -2 -t 2 ~-p ~~n e [ 3,4-b]d n (U) . Keywod Syntheses, pyraml, pyrimidine derivatives

As an extension of our previous w o k , this paper reported the preparation of some heterocyclic compounds containing coumarin moiety and salicylaldazine using 3-( 2'-formy1-l'-chlorovinyl) coumarin

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