Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1989-01-17
1990-03-06
Terapane, John F.
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
C07D41304
Patent
active
H00007536
ABSTRACT:
The quaternary salts of rigidized 1,3-oxazole compounds of the formula: ##STR1## where R is either H or CH.sub.3 O. The compounds are produced in a modif Robinson-Gabriel synthesis of oxazoles. These dyes are used in solution with non-interfering polar solvents, such as ethanol and H.sub.2 O, to form lasing media useful in dye lasers.
REFERENCES:
patent: 3892734 (1975-07-01), Okubo et al.
patent: 4460779 (1984-07-01), Borro
patent: 4506368 (1985-03-01), Lee
Hall John H.
Henry Ronald A.
Hollins Richard A.
Sayala Chhaya
Sliwka Melvin J.
Terapane John F.
The United States of America as represented by the Secretary of
Townsend William C.
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