Organic compounds -- part of the class 532-570 series – Organic compounds – Chalcogen in the nitrogen containing substituent
Patent
1990-03-29
1992-02-18
Richter, Johann
Organic compounds -- part of the class 532-570 series
Organic compounds
Chalcogen in the nitrogen containing substituent
544106, 544173, 544174, 544177, 544178, C07D29504, C07D29508, C07D26532
Patent
active
050896148
ABSTRACT:
An essentially single stage reaction has been discovered in which a disubstituted ethanolamine, that is, a 2,2'-substituted-2-aminoethanol, may be reacted with a haloform and a carbonyl containing compound selected from the group consisting of monoketones and benzaldehyde, in the presence of an alkali metal hydroxide, and optionally in the presence of a phase transfer catalyst, to produce an alkali metal hydroxyethylaminoacetate ("HEAA") which has N-adjacent C atoms on which there are a total of at least three substituents (hence "polysubstituted"), and one or both pairs of substituents on each N-adjacent C atom may be cyclized. The HEAA may be cyclized by the action of a mineral acid to produce a 2-morpholone hydrochloride which is characterized by having a total of at least three substituents on the N-adjacent C atoms of the ring. The 2-morpholone so produced may be reduced to a polysubstituted aminodiol. The aminodiol so produced may be cyclized with an alkane sulfonic acid to yield a polysubstituted morpholine which could not otherwise have been made. The aminodiol may also be alkylated to produce diethers with polysubstituted N-adjacent C atoms. If the aminodiol is tosylated, a polysubstituted crown ether is produced with plural polyalkylene groups. The foregoing HEAA and related compounds are used as u-v light stabilizers in novel compositions in which a small but effective amount of one or more of the HEAA and related compounds is incorporated, in an amount sufficient to produce desirable stabilization against degradation by u-v light in a wide variety of organic materials.
REFERENCES:
patent: 1973860 (1934-09-01), Ulrich
patent: 2835669 (1958-05-01), Thoma
patent: 3073822 (1963-01-01), Schultz
patent: 3755435 (1973-08-01), Sundby
patent: 3855156 (1974-12-01), Marumo
patent: 3872211 (1975-03-01), Gipson
patent: 4525294 (1985-06-01), Sartori et al.
patent: 4542234 (1985-09-01), Reilly et al.
patent: 4946880 (1990-08-01), Costanzi et al.
Lobo Alfred D.
Richter Johann
The B. F. Goodrich Company
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