## Abstract magnified image Naphtho[2,1β__b__]pyran nuclei are prevalent in natural products with significant biological and medicinal properties. 3,3βDisubstituted 3__H__βnaphtho[2,1__βb__]pyrans are photochromic and find use in electronic display systems, ophthalmic lenses, optical switches, and
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A simple approach to the synthesis of 2H-1-benzopyrans and 3H-naphtho[2,1-b] pyran via intramolecular wittig reactiont
β Scribed by Weiguo Cao; Pingsheng Zhang; Mi Chen; Rong Shen; Weiyu Ding
- Book ID
- 107482992
- Publisher
- Chinese Electronic Periodical Services
- Year
- 1997
- Tongue
- English
- Weight
- 227 KB
- Volume
- 1
- Category
- Article
- ISSN
- 1007-6417
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