Preparation of 2,2-dihydrocarbyl-3-propiolactones

Details Preparation of 2,2-dihydrocarbyl-3-propiolactones Preparation of 2,2-dihydrocarbyl-3-propiolactones

1991-01-22

1992-10-13

Fan, Jane T.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

528417, C07D30512

Patent

active

051552370

ABSTRACT:
2,2-Dihydrocarbyl-3-propiolactones are prepared by the thermolysis at 175.degree. C. to 350.degree. C. of low molecular weight (oligomeric) poly(3-hydroxy-2,2-dihydrocarbylpropionic acid) that contains carboxyl ends groups, in the presence of alkali metal, ammonium or phosphonium cations. The propiolactones may be polymerized to high molecular weight polymers.

REFERENCES:
patent: 3751435 (1973-08-01), van der Ven
patent: 4550181 (1985-10-01), Murib et al.
T. L. James et al., J. Am. Chem. Soc., vol. 91, pp. 7743-7746 (1969).
L. E. Manring et al., Macromolecules, vol. 23, pp. 1902-1907 (1990).

Affiliated with

Also associated with

Rating

Preparation of 2,2-dihydrocarbyl-3-propiolactones does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Preparation of 2,2-dihydrocarbyl-3-propiolactones, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Preparation of 2,2-dihydrocarbyl-3-propiolactones will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1301850