Abstract
The title compound, C13H13NO4S, is a racemic mixture of enantiomers. Short intramolecular contacts between sulfonyl O and ester carbonyl C atoms are observed [C⋯O = 2.881 (1), 2.882 (1) and 2.686 (1) Å], indicating the possibility of donor—acceptor interactions between these groups. The dihedral angle between the phenyl and cyclopropyl rings is 79.3 (1)°.
Highlights
O and ester carbonyl C atoms are observed [C O = 2.881 (1), 2.882 (1) and 2.686 (1) Å], indicating the possibility of donor—acceptor interactions between these groups
Some -bromovinyl sulfones react with primary amines in DMSO to give the products of aza-Michael ring closure reactions (MIRCR), viz. 2-sulfonyl-substituted aziridines, see: Galliot et al (1979)
MIRCR of phenyl-(Z)-(2phenyl-2-chloroethenyl)sulfone with diethyl sodium malonate leads to the formation of a sulfonyl-substituted cyclopropane, see: Yamamoto et al (1985)
Summary
MIRCR of phenyl-(Z)-(2phenyl-2-chloroethenyl)sulfone with diethyl sodium malonate leads to the formation of a sulfonyl-substituted cyclopropane, see: Yamamoto et al (1985). See: Vasin et al (2008, 2010); Zefirov & Zorkii (1989). H-atom parameters constrained max = 0.23 e Å 3 We have carried out MIRCR between compound (1) (see Fig. 2) and monosodium salt of methyl cyanoacetate in THF at 20 °C and a cyclopropane derivative, (2), was obtained.
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