Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1995-04-17
1996-09-10
Chan, Nicky
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
C07D31182
Patent
active
055547702
ABSTRACT:
Polyalkylated xanthenes are prepared by effecting reaction between an alkylated phenol such as m-cresol and an oxygenated organic material such as acetone in the presence of an acid catalyst such as methanesulfonic acid.
REFERENCES:
Baker et al., J. Chem. Soc., 1939, 195-199.
Baker et al., J. Chem. Soc., 1940, 1103-1106.
Baker et al., J. Chem. Soc., 1951, 76-83.
Caruso Andrew J.
King, Jr. Joseph A.
Lee Julia L.
Chan Nicky
General Electric Company
Pittman William H.
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