(22<i>E</i>,24<i>R</i>)-3α,5-Cyclo-5α-ergosta-22-en-6-one

Sheng, Liuqing; Zeng, Fang; Chen, Fei; Xia, Chengcai

doi:10.1107/s1600536810052906

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2011

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“…For details of the synthesis, see: McMorris & Patil (1993). For the crystal structure of the related compound (22E,24R)-3,5cyclo-5-ergosta-22-en-6-one, see: Sheng et al (2011).…”

Section: Related Literaturementioning

confidence: 99%

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(22E,24R)-5α-Ergosta-2,22-dien-6-one

et al. 2011

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In the title molecule, C28H44O, two six-membered rings have regular chair conformations, while the six-membered ring containing the C=C double bond exhibits a distorted chair conformation. The five-membered ring adopts an envelope conformation. In the crystal, weak intermolecular C—H⋯O interactions link molecules into chains along the b axis. The absolute configuration was assigned to correspond with that of the known chiral centres in a precursor molecule.

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“…For details of the synthesis, see: McMorris & Patil (1993). For the crystal structure of the related compound (22E,24R)-3,5cyclo-5-ergosta-22-en-6-one, see: Sheng et al (2011).…”

Section: Related Literaturementioning

confidence: 99%

“…In continuation of our structural study of brassinolide analogs (Sheng et al, 2011), we present here the crystal structure of the title compound, (I). In (I) ( Fig.…”

Section: S1 Commentmentioning

confidence: 99%