Acta Crystallographica Section C

Crystal Structure Communications

Volume 59, Part 6 (June 2003)

organic compounds

Acta Cryst. (2003). C59, o298-o301 [ doi:10.1107/S0108270103008345 ]

Derivatives of 4-(2-hydroxylphenyl)-2-phenyl-2,3-dihydro-1,5-benzothiazepine

M. Parvez, S. Umbreen and F. L. Ansari

Abstract: In the structures of 2-(4-chlorophenyl)-4-(2-hydroxyphenyl)-2,3-dihydro-1,5-benzothiazepine, C₂₁H₁₆ClNOS, 4-(2-hydroxyphenyl)-2-(4-tolyl)-2,3-dihydro-1,5-benzothiazepine, C₂₂H₁₉NOS, and 4-(2-hydroxyphenyl)-2-(3-methoxyphenyl)-2,3-dihydro-1,5-benzothiazepine, C₂₂H₁₉NO₂S, the central seven-membered heterocyclic rings adopt twist-boat conformations in which the N atoms are involved in strong intramolecular hydrogen bonds with the hydroxyl H atoms, resulting in six-membered rings.

Formula: C₂₁H₁₆ClNOS, C₂₂H₁₉NOS and C₂₂H₁₉NO₂S


	Structure factor file (CIF format) (143.6 kbytes) Contains datablock IVa

	Structure factor file (CIF format) (238.6 kbytes) Contains datablock IVb

	Structure factor file (CIF format) (200.0 kbytes) Contains datablock IVc

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