6607-41-6Relevant articles and documents
METHODS OF MANUFACTURE OF 2-ARYL-3,3-BIS(HYDROXYARYL)PHTHALIMIDINES
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, (2017/11/15)
A method for the manufacture of a 2-aryl-3,3-bis(hydroxyaryl)phthalimidine via O- alkylation of a dihydroxy benzophenone, and formation of Schiff base, followed by cyclisation and de-O-alkylation to provide the product phthalimidine is provided. Polymers including structural units derived from the 2-aryl-3,3-bis(hydroxyaryl)phthalimidine are provided. Methods for the manufacture of a polycarbonate, including manufacturing the 2-aryl-3,3- bis(hydroxyaryl)phthalimidine, and polymerizing the 2-aryl-3,3-bis(hydroxyaryl)phthalimidine in the presence of a carbonate source are provided.
METHODS OF MANUFACTURE OF 2-HYDROCARBYL-3,3-BIS(HYDROXYARYL)PHTHALIMIDINES
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, (2016/12/16)
A method for the manufacture of a 2-hydrocarbyl-3,3-bis(hydroxyaryl)phthalimidine composition comprises: reacting a phthalimide of formula (2) with a phenol of formula (3) I (2) I (3) in the presence of a catalyst and optionally a solvent at an elevated temperature to form the 2-hydrocarbyl-3,3-bis(hydroxyaryl)phthalimidine composition, wherein the 2-hydrocarbyl-3,3-bis(hydroxyaryl)phthalimidine composition comprises a 2-hydrocarbyl-3,3-bis(hydroxyaryl)phthalimidine of formula (1) I (1) wherein in formulas (1), (2) and (3), R1 is hydrogen, C1-6 alkyl, C1-6 alkoxy, or phenyl optionally substituted with 1 to 5 C1-6 alkyls, each occurrence of R2 and R3 is independently a C1-6 alkyl, and p and q are independently 0 to 4.
METHODS FOR PRODUCING AND PURIFYING 2-ARYL-3, 3-BIS ( 4 -HYDROXYARYL) PHTHALIMIDINE DERIVATIVES
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Page/Page column 23, (2010/07/02)
Disclosed herein is a method for producing a purified 2-aryl-3,3-bis(4-hydroxyaryl) phthalimidine of formula (I) wherein R1 is hydrogen or a C1-25 hydrocarbyl group and R2 is a hydrogen, a C1-25 hydrocarbyl grou