Method for preparing sulfones

Details Method for preparing sulfones Method for preparing sulfones

1992-04-07

1993-08-10

Cintins, Marianne M.

Organic compounds -- part of the class 532-570 series

Organic compounds

Sulfonate esters

558 56, 558 51, 558 53, 558 48, 568 34, 568 28, C07C30328

Patent

active

052350843

ABSTRACT:
A method for preparing a sulfone represented by the following formula: ##STR1## wherein R and R' each represent a lower alkyl group, an aryl group or an aryl group whose nucleus has at least one substituent selected from the group consisting of a halogen atom, nitro group, a lower alkyl group, phenyl group and a phenyl group substituted with a halogen atom, comprises the step of condensing a sulfonic acid ester of 4-hydroxybiphenyl represented by the following formula: ##STR2## with a sulfonyl chloride of R'SO.sub.2 Cl at a temperature of 0.degree. to 200.degree. C. in the presence of a Lewis acid or a superstrong acid.

REFERENCES:
Poly(arylene ether sulphones) by polyetherification: 1. Synthesis of halogenophenols* by T. E. Attwood, et al., Polymer, vol. 18, Apr., 1977; pp. 354-358.

Affiliated with

Also associated with

Rating

Method for preparing sulfones does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method for preparing sulfones, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method for preparing sulfones will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1726587