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(4α,4aβ,9aβ)-4a-Acetoxy-4-methoxy-3,4,4a,9a-tetra­hydro-1H-anthracene-2,9,10-trione

✍ Scribed by Patrick, Vincent A. ;Skelton, Brian W. ;White, Allan H.

Publisher
International Union of Crystallography
Year
2003
Tongue
English
Weight
170 KB
Volume
59
Category
Article
ISSN
1600-5368

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✦ Synopsis

The relative stereochemistry of the title compound is de®ned by a room-temperature single-crystal X-ray study.

📜 SIMILAR VOLUMES

N-(4a-Morpholino-2,3,4,4a,9,9a-hexa­hydr
N-(4a-Morpholino-2,3,4,4a,9,9a-hexa­hydro-1H-xanthen-9-yl)­phenyl­amine
✍ Bhaskaran, Sundari ;Selvanayagam, S. ;Velmurugan, D. ;Ravikumar, K. ;Anniyappan, 📂 Article 📅 2003 🏛 International Union of Crystallography 🌐 English ⚖ 213 KB

In the title compound, C 23 H 28 N 2 O 2 , the pyran ring in the xanthene moiety adopts a half-chair conformation. The molecular structure is in¯uenced by intramolecular NÐ HÁ Á ÁN and CÐHÁ Á ÁO hydrogen bonds and the crystal structure is stabilized by CÐHÁ Á ÁO and CÐHÁ Á Á% interactions.

(3aSR,9aSR)-3a,4,9,9a-Tetra­hydro-4-[(1S
(3aSR,9aSR)-3a,4,9,9a-Tetra­hydro-4-[(1SR)-1-methoxy­ethyl]-2-methyl-4,9-[1′,2′]­benzeno-1H-benzo­[f]­iso­indole-1,3-(2H)-dione
✍ Clegg, William ;Harrington, Ross W. 📂 Article 📅 2002 🏛 International Union of Crystallography 🌐 English ⚖ 228 KB

Single-crystal X-ray study T = 160 K Mean '(C±C) = 0.003 A Ê R factor = 0.048 wR factor = 0.120 Data-to-parameter ratio = 12.8 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.

syn-Anthracen-4a, 10:9, 9a-dioxid
syn-Anthracen-4a, 10:9, 9a-dioxid
✍ Prof. Dr. Jean Rigaudy; Albert Defoin; Joële Baranne-Lafont 📂 Article 📅 1979 🏛 John Wiley and Sons 🌐 English ⚖ 229 KB