Liquid phase synthesis of methylene lactones using novel...

Details Liquid phase synthesis of methylene lactones using novel... Liquid phase synthesis of methylene lactones using novel...

2007-04-17

2007-04-17

Seaman, Margaret D. (Department: 1625)

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C549S326000

Reexamination Certificate

active

11168829

ABSTRACT:
Process for converting certain lactones to their alpha-methylene substituted forms that exhibits high conversion and selectivity.

REFERENCES:
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patent: 2006/0025605 (2006-02-01), Hutchenson et al.
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patent: 2006/0025612 (2006-02-01), Hutchenson et al.
patent: 10298172 (1998-11-01), None
Machine translation of JP 10298172, paragraph 27-33, May 12, 2006.
EP. Barret, LG. Joyner and P.P. Halenda, J. Amer. Chem. Soc., 73, 373 (1951).

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