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5-Chromonylidene-hydantoins, 2-Thiohydantoins, Synthesis and Reaction with Some Alkylhalides, Some Amines and Some Diazoalkanes.

✍ Scribed by Youssef Lotfy Aly

Publisher
John Wiley and Sons
Year
2005
Weight
29 KB
Volume
36
Category
Article
ISSN
0931-7597

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## Abstract The Wittig reaction of 2,3‐dihydro‐4‐(4‐methoxybenzoyl)‐5‐(4‐methoxyphenyl)‐furan‐2,3‐dione (1) with methyl (triphenylphosphoranylidene)acetate (2) stereo‐ and regioselectively afforded methyl (__Z__)‐[2,3‐dihydro‐4‐(4‐methoxybenzoyl)‐5‐(4‐methoxyphenyl)‐3‐oxofuran‐2‐ylidene]acetate (3)