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X-ray analysis of sulfur-containing colchicine derivatives

✍ Scribed by Catherine Koerntgen; T. N. Margulis

Publisher: John Wiley and Sons
Year: 1977
Tongue: English
Weight: 527 KB
Volume: 66
Category: Article
ISSN: 0022-3549
DOI: 10.1002/jps.2600660819

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✦ Synopsis

The crystal and molecular structures of deacetylthiocolchicine hydrochloride dihydrate and thiocolchicine hexahydrate were determined by X-ray diffraction. The replacement of oxygen by sulfur on the C ring methoxy group causes greater puckering of the troponoid ring. The conformation of one A ring methoxy group differs from that of colchicine derivatives that do not contain sulfur.

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