Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal
Patent
1981-05-06
1982-12-28
Lee, Mary C.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
C-metal
549214, 549479, 549474, 549478, 549454, 542400, 542454, 542468, 546103, 546141, 546147, 546153, 546154, 546157, 546302, 549 23, 549 66, 549410, 549470, 548406, 548510, C07C 6802
Patent
active
043661025
ABSTRACT:
In a process for the preparation of an aromatic chloroformic acid ester by contacting a phenol and phosgene, the improvement wherein the reaction is carried out in a homogeneous liquid phase at a temperature of 60.degree. to 180.degree. C. in the presence of organic phosphorus compound of the formula
REFERENCES:
patent: 3170946 (1965-02-01), Kilsheimer et al.
patent: 3211774 (1965-10-01), Stephens
patent: 3211775 (1965-10-01), Stephens et al.
patent: 3211776 (1965-10-01), Stephens
patent: 3255230 (1966-06-01), Kurkjy et al.
patent: 3382207 (1968-05-01), Jaquiss
patent: 3544626 (1970-12-01), Carr et al.
patent: 3673247 (1972-06-01), Hill et al.
patent: 3792075 (1974-02-01), Kaminaka et al.
patent: 3822307 (1974-07-01), Fujimoto et al.
patent: 3952045 (1976-04-01), Gaenzler et al.
patent: 3966786 (1976-06-01), Rozsa et al.
patent: 4085129 (1978-04-01), Semter et al.
patent: 4129595 (1978-12-01), Suzuki
Derwent Japanese Patents Report; vol. 6, No. 13 7890/67 and No. 45 23409/67 (1967).
Blank Heinz U.
Mannes Karl
Mayer Dietmar
Rauchschwalbe Gunter
Bayer Aktiengesellschaft
Lee Mary C.
LandOfFree
Process for the preparation of chloroformic acid aryl esters does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Process for the preparation of chloroformic acid aryl esters, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for the preparation of chloroformic acid aryl esters will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1336544