Organic compounds -- part of the class 532-570 series – Organic compounds – Carbohydrates or derivatives
Patent
1995-04-03
1997-04-15
Kight, John
Organic compounds -- part of the class 532-570 series
Organic compounds
Carbohydrates or derivatives
536 41, 536 185, 536 2712, 536120, 536124, 536127, 568672, 568700, 530344, C07H 106, C07C 2910, C07C 4100, C07K 100
Patent
active
056210841
ABSTRACT:
This invention relates to a process for the removal of an allyl or allyloxycarbonyl group from an allyl or allyloxycarbonyl group protected compound (such as an allylic ester, carbonate, carbamate, O-allyl derivatives or N-allyl derivatives), which comprises contacting the allyl or allyloxycarbonyl group protected compound with a sulfinic acid compound, in the presence of a palladium catalyst in a reaction-inert solvent. Preferably, the sulfinic acid compound is represented by the formula:
REFERENCES:
patent: 4314942 (1982-02-01), McCombie
patent: 4910019 (1990-03-01), McCaleb
McCombie et al., Journal of Organic Chemistry, 1982, 47, 587.
Honda Msanori
Morita Hiromasa
Nagakura Isao
Benson Gregg C.
Kight John
Pfizer Inc.
Richardson Peter C.
Ronau Robert T.
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