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Syntheses and Crystal Structures of 2,7-Di(trimethylsilyl)thieno[3,2- e ]benzothiophene, 1,2,5,6(5)-Tetra(trimethylsilyl)-1,2,5,6(2,3)-tetrathiophenacyclooctaphan-3( z ),7( z )-diene, and 2,7-Di(trimethylsilyl)thieno[3,2- e ]benzothiophene-4-ol

✍ Scribed by Wang, Zhihua; Shi, Jianwu; Tian, Xinyong; Xu, Li; Li, Chunli; Wang, Hua


Book ID
120660185
Publisher
Journal of Heterocyclic Chemistry
Year
2013
Tongue
English
Weight
547 KB
Category
Article
ISSN
0022-152X

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✍ Mohamed Othman; Pascal Pigeon; Bernard Decroix 📂 Article 📅 1998 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 353 KB

## Abstract A synthesis of the thieno[2′,3′(3′,2′ or 3′,4′):5,6]azocino[2,1‐__a__]isoindole‐7,13‐diones 6a‐c was developed from __N__‐thienylethylphthalimides 3a‐c using a Wittig reaction followed by a Friedel‐Crafts cyclization of acetic acid derivatives 5a‐c. Reduction of ketones 6a‐c into alcoho