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New heterocyclic ring systems. IX. Polyazadithiasteroid analogues
Author(s) -
Fravolini A.,
Schiaffella F.,
Strappaghetti G.
Publication year - 1979
Publication title -
journal of heterocyclic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.321
H-Index - 59
eISSN - 1943-5193
pISSN - 0022-152X
DOI - 10.1002/jhet.5570160107
Subject(s) - chemistry , hydrazine (antidepressant) , hydroxylamine , benzothiazine , ring (chemistry) , tricyclic , medicinal chemistry , organic chemistry , stereochemistry , chromatography
The synthesis of the novel tricyclic ring 5‐rnethyl‐4‐oxo‐2,3,4,5‐tetrahydrothiopyrano[3,2‐ c ]‐[1,2]benzothiazine 6,6‐dioxide (III) is described. By the reaction of hydrazine and hydroxylamine with the glyoxylate (IV) and ester (V) obtained from III, several polyazadithiasteriod analogues have been synthesized.
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