Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1989-05-31
1990-01-30
Springer, David B.
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
C07D40102
Patent
active
048974820
ABSTRACT:
Oligomeric 2,2,4-trimethyl-1,2-dihydroquinoline (TMQ) is prepared from monomeric TMQ by heating the latter in the presence of a polybasic aliphatic carboxylic acid and in the presence of small amounts of water.
REFERENCES:
patent: 2514648 (1950-07-01), Rehe et al.
patent: 3047521 (1962-07-01), Harman
patent: 3244683 (1966-05-01), Kline
Blazejak Manfred
Hammer Heinz
Wemmje Karl J.
Bayer Aktiengesellschaft
Springer David B.
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