Acta Crystallographica Section C

Crystal Structure Communications

Volume 59, Part 6 (June 2003)

organic compounds

na1611 scheme

Acta Cryst. (2003). C59, o317-o320    [ doi:10.1107/S0108270103008564 ]

(1R,3S,6S)-6-tert-Butyl-1-hydroxy­methyl-5-methoxy-6-methyl-7-oxa-4-aza­spiro­[2.5]­oct-4-en-8-one and di­methyl [(1S,1'R,3'S,6'S)-(6'-tert-butyl-5'-methoxy-6'-methyl-8'-oxo-7'-oxa-4'-aza­spiro­[2.5]­oct-4'-en-1'-yl)­hydroxy­methyl]­phospho­nate

M. Malecka, K. T. Wanner and E. Budzisz

Abstract: The mol­ecules of the title compounds, C13H21NO4, (I), and C15H26NO7P, (II), are linked into chains along the c direction in (I) and along the b axis in (II) through O-H...O hydrogen bonds. The heteroatomic ring in (I) adopts a twist-boat conformation, while that in (II) has a conformation intermediate between boat and twist-boat. The P atom has a distorted tetrahedral geometry.

Formula: C13H21NO4 and C15H26NO7P

hkldisplay filedownload file

Structure factor file (CIF format)
[ doi:10.1107/S0108270103008564/na1611Isup2.hkl ]
Contains datablock I

hkldisplay filedownload file

Structure factor file (CIF format)
[ doi:10.1107/S0108270103008564/na1611IIsup3.hkl ]
Contains datablock {vcif ERROR: unable to open file /journals/webproduction/sites/cjo-test/c/issues/2003/06/00/na1611/na1611IIsup3.hkl - exiting}


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