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Reactivity of 3-amino-, 3-halogeno-, and 3-nitro-2-pyrones and thiopyrones

โœ Scribed by Ibrahim El-Sayed El-Kholy; Marcos Michael Mishrikey; Hassan Mostafa Fuid-Alla


Book ID
112123362
Publisher
Journal of Heterocyclic Chemistry
Year
1975
Tongue
English
Weight
310 KB
Volume
12
Category
Article
ISSN
0022-152X

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Syntheses of thiopyrone and pyrone deriv
โœ Kenji Sasaki; Yasuyoshi Satoh; Takashi Hirota; Taiji Nakayama; Yoshinori Tominag ๐Ÿ“‚ Article ๐Ÿ“… 2000 ๐Ÿ› Journal of Heterocyclic Chemistry ๐ŸŒ English โš– 575 KB

## Abstract Naphtho[1,2โ€__b__][1]benzothiopheneโ€6โ€carboxylic acids, 6__H__โ€benzo[__b__]naphtho[2,3โ€__d__]thiopyranโ€6โ€ones and 6__H__โ€benzo[__b__]naphtho[2,3โ€__d__]pyranโ€6โ€ones were synthesized in one step by the photocyclization reaction of 3โ€arylโ€2โ€([1]benzothienโ€3โ€yl)propenoic acids. The photocyc