Organic compounds -- part of the class 532-570 series – Organic compounds – Four or more ring nitrogens in the bicyclo ring system
Patent
1988-08-18
1990-06-12
Schwartz, Richard A.
Organic compounds -- part of the class 532-570 series
Organic compounds
Four or more ring nitrogens in the bicyclo ring system
544194, 525 79, 525111, 525154, 525157, 525191, 525480, 528254, C07D25100, C08H 2902, C08G 7704
Patent
active
049334522
ABSTRACT:
A radiation sensitive compound and method for making same. The compound has the general formula: ##STR1## wherein, R.sup.1 and R.sup.2, which may be the same or different, each represents lower alkyl, aryl, X, CHX.sub.2, CH.sub.2 X, CX.sub.3 or NHR.sup.3 wherein R.sup.3 represents hydrogen, lower alkyl, aryl or ##STR2## and provided at least one of R.sup.1 and R.sup.2 is CX.sub.3, X is halogen, and A.sup.1 and A.sup.2 are each residues of A.sup.1 --H and A.sup.2 --H respectively wherein A.sup.1 --H and A.sup.2 --H which may be the same or different are each compounds containing at least one group having an active hydrogen atom. The method comprises reacting together an isocyanate of the formula ##STR3## with a compound of the formula A.sup.1 --H or A.sup.2 --H to obtain the desired compound wherein R.sup.1 or R.sup.4 represents lower alkyl, aryl, X, CHX.sub.2, CX.sub.3, NCO or NHR.sup.5 wherein R.sup.5 represents hydrogen, lower alkyl or aryl and at least one of R.sup.1 and R.sup.4 is CX.sub.3.
REFERENCES:
patent: 4350753 (1982-09-01), Shelnut et al.
patent: 4659821 (1987-04-01), Fauss et al.
Kohler et al., J. Am. Chem. Soc. 49, 3181-3189 (1927).
Kolodziejczyk Victor
White Nicholas J.
Richter J.
Schwartz Richard A.
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