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Photocyclization reactions. Part 1. Synthesis of dihydrobenzofuranols using photocyclization of 2-alkoxybenzaldehydes, 2′-alkoxyacetophenones, 2-formylphenoxyacetic acids and 2-acetylphenoxyacetic acids

✍ Scribed by Takaaki Horaguchi; Chikara Tsukada; Eietsu Hasegawa; Takahachi Shimizu; Tsuneo Suzuki; Kiyoshi Tanemura

Book ID
112130088
Publisher
Journal of Heterocyclic Chemistry
Year
1991
Tongue
English
Weight
846 KB
Volume
28
Category
Article
ISSN
0022-152X

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Photocyclization reactions. Part 6. Solv
Photocyclization reactions. Part 6. Solvent and substituent effects in the synthesis of dihydrobenzofuranols using photocyclization of 2-alkoxybenzophenones and ethyl 2-benzoylphenoxyacetates
✍ Essam Mohamed Sharshira; Mutsuo Okamura; Eietsu Hasegawa; Takaaki Horaguchi 📂 Article 📅 1997 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 622 KB

## Abstract Photocyclization reactions were carried out on 2‐alkoxybenzophenones 1a‐h and ethyl 2‐benzoyl‐phenoxyacetates 5a‐e in three solvents of different polarity (benzene, acetonitrile and methanol) to examine solvent and substituent effects on the cyclization of 1,5‐biradical intermediates to