Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acid esters
Patent
1993-12-20
1995-07-04
Dees, Jose G.
Organic compounds -- part of the class 532-570 series
Organic compounds
Carboxylic acid esters
C07C 6934
Patent
active
054301777
ABSTRACT:
Compounds varying from liquids to solids can be prepared via a Michael reaction so that they correspond to the formula DA.sub.m in which D is a deprotonated residue of a Michael donor, A is a monovalent group composed of n Michael acceptor moieties, m is an integer of at least one corresponding to the valence of D, and n is an integer of at least one such that the sum of n moieties in the m monovalent A groups is at least three. Among the more preferred products are the ester oils in which the esterifying groups contain 1-30 carbons and which have viscosities such as to make them suitable for use as lubricants.
REFERENCES:
patent: 2396626 (1946-03-01), Wiest et al.
patent: 4795787 (1989-01-01), Walz
Skarzewski, "The Michael Reaction of Methanetricarboxylic Esters. A Simple Method for Two-Carbon Chain Elongation," Synthesis, Dec. 1990, pp. 1125-1127.
Search Report-CA83(4):30324q (Lorenz et al., DE 2342539 (03/75).
Derwent Database-85-143099 (Denki Kagaku Kogyo, JP 60-076504 (05/85).
Hurst Matthew L.
Sabahi Mahmood
Albemarle Corporation
Barts Samuel
Dees Jos,e G.
Hogan Patricia J.
Pippenger Philip M.
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