N-Substituted perhydrodioxazepines useful as polyurethane cataly

Details N-Substituted perhydrodioxazepines useful as polyurethane cataly N-Substituted perhydrodioxazepines useful as polyurethane cataly

1981-09-08

1982-08-03

Ramsuer, Robert W.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

2603306, C07D41306, C07D27301

Patent

active

043426875

ABSTRACT:
A primary amine may be reacted with formaldehyde and a 1,2-diol to produce N-substituted perhydrodioxazepines of the formula: ##STR1## where R is alkyl, alkoxyalkyl, aminoalkyl or aryl alkyl and R' is hydrogen or lower alkyl. These compounds may be easily prepared and have a low odor which is essential in their utility as polyurethane catalysts. By varying the R group, the catalytic characteristics of the compounds may be altered as desired.

REFERENCES:
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patent: 3925268 (1975-12-01), Rosemund et al.
patent: 3981829 (1976-09-01), Cenker et al.
patent: 4011223 (1977-03-01), Priest et al.
patent: 4012445 (1977-03-01), Priest et al.
patent: 4251637 (1981-02-01), McEntire et al.
Kapnang, H. and G. Charles, "Perhydro Dioxazepines-1,5,3: Method Generale de Synthese," Tetrahedron Letters, vol. 21, No. 31, 1980, pp. 2949-2950.

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