stereospecific synthesis of trifluoromethyl-substituted polyfunctionalized cyclopropanes

1
2005 Cyclopropane derivatives Q 0021 Stereospecific Synthesis of Trifluoromethyl-Substituted Polyfunctionalized Cyclo- propanes. — Treatment of butenoate (I) with active methylene compounds (II) in the presence of NaH as a base affords a stereospecific synthetic route to CF 3 -substituted cyclopropanes (III). — (WANG, Y.; ZHAO, X.; LI, Y.; LU*, L.; Tetrahedron Lett. 45 (2004) 41, 7775-7777; Lab. Organofluorine Chem., Shanghai Inst. Org. Chem., Chin. Acad. Sci., Shanghai 200032, Peop. Rep. China; Eng.) — M. Paetzel 02- 064

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Page 1: Stereospecific Synthesis of Trifluoromethyl-Substituted Polyfunctionalized Cyclopropanes

2005

Cyclopropane derivativesQ 0021 Stereospecific Synthesis of Trifluoromethyl-Substituted Polyfunctionalized Cyclo-

propanes. — Treatment of butenoate (I) with active methylene compounds (II) in the presence of NaH as a base affords a stereospecific synthetic route to CF3-substituted cyclopropanes (III). — (WANG, Y.; ZHAO, X.; LI, Y.; LU*, L.; Tetrahedron Lett. 45 (2004) 41, 7775-7777; Lab. Organofluorine Chem., Shanghai Inst. Org. Chem., Chin. Acad. Sci., Shanghai 200032, Peop. Rep. China; Eng.) — M. Paetzel

02- 064