Trimethylsilyl acetylene compounds, their preparation and...

Details Trimethylsilyl acetylene compounds, their preparation and... Trimethylsilyl acetylene compounds, their preparation and...

C - Chemistry, Metallurgy

07

C

260/208, 260/236

C07C 50/38 (2006.01) C07F 7/08 (2006.01)

Patent

CA 2009095

S 5719-3 Can Abstract of the disclosure The invention relates to novel compounds of the formulae Image Image (1) (2) wherein S is H, alkyl or alkoxy and R is a good leaving group, and to the preparation of these compounds in a stereospecific manner to obtain a configuration wherein OH at C-3 and OR at C-1 are in the cis-position, which compounds can be used for the synthesis of daunomycinone and deri- vatives thereof. Daunorcinone can be used for the preparation of daunomycin and adrialrycin.

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