Aldehydes containing a difluorooxymethylene bridge

Details Aldehydes containing a difluorooxymethylene bridge Aldehydes containing a difluorooxymethylene bridge

2006-09-19

2006-09-19

Saeed, Kamal A. (Department: 1626)

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

C549S374000, C549S373000

Reexamination Certificate

active

07109381

ABSTRACT:
Aldehydes containing a difluorooxymethylene bridge, of the general formula Iin-line-formulae description="In-line Formulae" end="lead"?OHC-(A11)m-Z11-(A12-Z12)n-(A13-Z13)p-A14Iin-line-formulae description="In-line Formulae" end="tail"?and the use and preparation thereof and the preparation of 1,3-dioxane compounds.

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Iseki K et al.: “Catalytic Asymmetric Nitroaldol Reaction of Alpha.Alpha-Difluoro Aldehydes Mediated by Rare Earth-Lithium-Binol Complexes” Tetrahedron Letters, Elsevier Science Publishers, Amsterdam, NL, Bd. 37 Nr. 50 Dec. 9, 1996, pp. 9081-9084.

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