Phosphonate reagent compositions and methods of making same

C - Chemistry – Metallurgy – 07 – F

Patent

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C07F 9/40 (2006.01) C07C 403/20 (2006.01) C07C 403/24 (2006.01)

Patent

CA 2004125

ABSTRACT Novel phosphonate compounds of the formula Image are disclosed and claimed, as well as methods for manufacturing the phosphonates from C-14 through C-16 aldehydes. The phosphonate compounds of the present invention can be employed to form 13-cis-retinoic acid, retin-A and beta-carotene.

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