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Скачайте пожалуйста статьи:
1. 2,2-Difluoro-3-hydroxyesters by reformatskii reaction
E. Ann Hallinan, Josef Fried
Tetrahedron Letters Volume 25, Issue 22, 1984, Pages 2301-2302

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http://dx.doi.org/10.1016/S0040-4039(01)80239-2

2. Aldol reaction of iododifluoroacetate-Zn and 2,2-difluoroketene silyl acetal
Osamu Kitagawa, Takeo Taguchi, Yoshiro Kobayashi
Tetrahedron Letters Volume 29, Issue 15, 1988, Pages 1803-1806

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http://dx.doi.org/10.1016/S0040-4039(00)82048-1

3. Titanium-promoted highly stereoselective synthesis of α,α-difluoro-β,γ-dihydroxyester. Simple route to 2-deoxy-2,2-difluororibose
Yasushi Matsumura, Hajime Fujii, Toshiaki Nakayama, Yoshitomi Morizawa, Arata Yasuda
Journal of Fluorine Chemistry Volume 57, Issues 1-3, April-June 1992, Pages 203-207

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http://dx.doi.org/10.1016/S0022-1139(00)82832-8

Спасибо!

[SergSam]