Polyamide from optically active, anti head-to-head coumarin dime

Details Polyamide from optically active, anti head-to-head coumarin dime Polyamide from optically active, anti head-to-head coumarin dime

1987-03-26

1990-12-04

Anderson, Harold D.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528346, 528347, 528348, 528354, C08G 6926

Patent

active

049755170

ABSTRACT:
A racemic, anti head-to-head coumarin dimer can be separated into its optically active constituents by using an optically active amine. Each optically active isomer can be further reacted with a diamine to afford an optically active polyamide.

REFERENCES:
Chemical Abstracts, vol. 79; 1973; 5665 m (Suzuki et al.).
Chemical Abstracts, vol. 97; 1982, 56330 c (Hasegawa et al.).
Chemical Abstracts, vol. 99; 1983, 123078 h (Hasegawa et al.).

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