✦ LIBER ✦

8a,13b-cis-8,8,13-Trimethyl-11-phenyl-8,8a,9,13b-tetrahydropyrazolo[3′′,4′′-b′]thiapyrano[5′,4′:3,4]pyrano[5,6-c]coumarin

✍ Scribed by Selvanayagam, S. ;Velmurugan, D. ;Ravikumar, K. ;Rao, S. Narasinga ;Jayashankaran, J. ;Durga, R. Rathna ;Raghunathan, R.

Publisher: International Union of Crystallography
Year: 2004
Tongue: English
Weight: 182 KB
Volume: 60
Category: Article
ISSN: 1600-5368
DOI: 10.1107/s1600536804026674

No coin nor oath required. For personal study only.

✦ Synopsis

In the title compound, C 25 H 22 N 2 O 3 S, the dihydropyran ring adopts a half-chair conformation and the dihydrothiapyran ring adopts a sofa conformation.

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cis-[4a]-cisoid-[4a,4b]-cis-[4b]-8a,8b-D

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11-(4-Chlorophenyl)-10-methyl-8-phenyl-

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The title compound, C 27 H 20 BrN 3 , is isostructural with the chloro analogue: the molecules are linked by two independent C-HÁ Á Á(arene) hydrogen bonds into chains of edge-fused rings.

8a,13b-cis-8,8,13-Tri­methyl-11-phenyl-8,8a,9,13b-tetra­hydro­pyrazolo­[3′′,4′′-b′]­thia­pyrano­[5′,4′:3,4]­pyrano­[5,6-c]­coumarin

✦ Synopsis

8a,13b-cis-8,8,13-Trimethyl-11-phenyl-8,8a,9,13b-tetrahydropyrazolo[3′′,4′′-b′]thiapyrano[5′,4′:3,4]pyrano[5,6-c]coumarin