Chemical and Pharmaceutical Bulletin p. 1643 - 1646 (1995)
Update date:2022-08-15
Topics:
Matsuo
Sunago
Okutani
Takagi
Nakamoto
Kobayashi
Heating of 3-(2-aminophenylthio)-2-methoxycarbonyl-4-methyl-2-penten-4- olide with triethylamine hydrochloride gave 3,3-dimethyl-1H,3H-furo[4,3- b][1,5]benzothiazepin-1-one. Some chemical modifications of the product including [2 + 2]cycloaddition and 1,3-dipolar cycloaddition to the imino group in the product were performed.
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