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Synthesis of 2-phenylthieno[3,2-d]oxazole and 2-phenylthieno[3,2-d]thiazole

โœ Scribed by N. Ya. Kvitko; R. V. Khozeeva; N. S. Fedorova; V. A. Smirnova; A. V. El'tsov


Book ID
112326509
Publisher
Springer US
Year
1979
Tongue
English
Weight
257 KB
Volume
15
Category
Article
ISSN
0009-3122

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Synthesis of 3-Acyl-5,6-dihydro-2-phenyl
โœ Maruoka, Hiroshi ;Yamagata, Kenji ;Yamazaki, Motoyoshi ๐Ÿ“‚ Article ๐Ÿ“… 1994 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 568 KB

## Abstract The reactions of 2โ€benzamidoโ€4,5โ€dihydroโ€3โ€thiophene(โ€3โ€furanโ€)carbonitriles 1aโ€“c (and 11aโ€“c) with acetic (or propionic) anhydride in the presence of tin(IV) chloride give the corresponding 3โ€acetylโ€5,6โ€dihydroโ€2โ€phenylthieno(โ€furoโ€)โ€[2,3โ€__d__]pyrimidinโ€4(3__H__)โ€ones 2aโ€“c (and 12aโ€“c)