Acta Crystallographica Section C

Crystal Structure Communications

Volume 56, Part 11 (November 2000)

organic compounds

 

Racemic and chiral 1-[N-(chloroacetyl)carbamoylamino]-2,3-dihydro-1H-inden-2-yl chloroacetate

M. Eishima, S. Ohba, M. Suzuki, C. Nagasawa and T. Sugai

Abstract: In the racemic crystals of (1S,2R)- or (1R,2S)-1-[N-(chloroacetyl)carbamoylamino]-2,3-dihydro-1H-inden-2-yl chloroacetate, C₁₄H₁₄Cl₂N₂O₄, (I), the enantiomeric molecules form a dimeric structure via the N-HO cyclic hydrogen bond of the carbamoyl moieties. In the chiral crystals of (-)-(1S,2R)-1-[N-(chloroacetyl)carbamoylamino]-2,3-dihydro-1H-inden-2-yl chloroacetate, C₁₄H₁₄Cl₂N₂O₄, (II), the N-HO intermolecular hydrogen bond forms a zigzag chain around the twofold screw axis. The melting points and calculated densities of (I) and (II) are 446 and 396 K, and 1.481 and 1.445 Mg m^-3, respectively.

Formula: Racemic and chiral C₁₄H₁₄Cl₂N₂O₄

	Structure factor file (CIF format) (172.8 kbytes) Contains datablock I
	Structure factor file (CIF format) (99.3 kbytes) Contains datablock II

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