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Structural and crystal chemistry analysis of (4E)- and (4Z)-6,6′,7,7′-tetrahydro-5H,5′H-4,4′-bis-1-benzothiophenes

✍ Scribed by A. M. Banaru


Book ID
111494746
Publisher
Allerton Press Inc
Year
2009
Tongue
English
Weight
298 KB
Volume
64
Category
Article
ISSN
0027-1314

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## Abstract The synthesis of 5,6,7,8‐tetrahydro‐4__H__‐oxazolo[4,5‐__c__]azepin‐4‐ones **5a,b** and 1,3‐benzoxazol‐4‐amines **4a,b** are described starting from 4,5,6,7‐tetrahydro‐1,3‐benzoxazol‐4‐ones. Thionation of **5a,b** followed by alkylation with ethyl bromoacetate led to the corresponding _