Crystal Structure of 14‐Deoxy‐11,12‐Didehydroandrographolide — A Diterpenoid | Zendy

Gupta Vivek K. | Zendy; Goswami K. N. | Zendy; Mazumdar S. K. | Zendy; Gupta B. D. | Zendy; Banerjee S. K. | Zendy

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Crystal Structure of 14‐Deoxy‐11,12‐Didehydroandrographolide — A Diterpenoid

Author(s) -

Gupta Vivek K.,

Goswami K. N.,

Mazumdar S. K.,

Gupta B. D.,

Banerjee S. K.

Publication year - 1993

Publication title -

crystal research and technology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.377

H-Index - 64

eISSN - 1521-4079

pISSN - 0232-1300

DOI - 10.1002/crat.2170280316

Subject(s) - crystal structure , crystallography , furan , hydrogen bond , ring (chemistry) , chemistry , trigonal crystal system , stereochemistry , crystal (programming language) , group (periodic table) , molecule , organic chemistry , computer science , programming language

The crystal structure of 14‐deoxy‐11,12‐didehydroandrographolide has been determined by X‐ray structure analysis. The compound crystallizes in the trigonal space group P3 1 with cell parameters a = b 15.860(3), c = 6.437(2) Å. The structure has been solved by direct methods and refined to R = 0.048. The six‐membered rings are trans‐fused and both are in the chair conformation. The furan ring is planar with maximum deviation −0.011 (4) Å for C(14). Molecular are held together by hydrogen bonds.

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