公开(公告)号：US20200002349A1

公开(公告)日：2020-01-02

申请号：US16428082

申请日：2019-05-31

Applicant: SABIC GLOBAL TECHNOLOGIES B.V.

Inventor： Lohith Kenchaiah ,  Vijayakumar Venkatesh Sugur ,  Rashmi R. Deshpande ,  Hariharan Ramalingam ,  James Alan Mahood

IPC: C07D491/107 ,  C08G64/30

Abstract: A purified 2-hydrocarbyl-3-(dihydroxyfluoresceinyl)phthalimidine compound of formula (I): wherein R is a C1-25 hydrocarbyl; each occurrence of R2 and R3 is independently a halogen or a C1-25 hydrocarbyl; p is 0 to 4; and each q is independently 0 to 3; and wherein the purified 2-hydrocarbyl-3-(dihydroxyfluoresceinyl)phthalimidine compound of formula (I) has a purity of greater than 99.4%, as determined by high performance liquid chromatography.

公开(公告)号：US11078212B2

公开(公告)日：2021-08-03

申请号：US16428082

申请日：2019-05-31

Applicant: SABIC GLOBAL TECHNOLOGIES B.V.

Inventor： Lohith Kenchaiah ,  Vijayakumar Venkatesh Sugur ,  Rashmi R. Deshpande ,  Hariharan Ramalingam ,  James Alan Mahood

IPC: C07D491/107 ,  C08G64/30

Abstract: A purified 2-hydrocarbyl-3-(dihydroxyfluoresceinyl)phthalimidine compound of formula (I): wherein R is a C1-25 hydrocarbyl; each occurrence of R2 and R3 is independently a halogen or a C1-25 hydrocarbyl; p is 0 to 4; and each q is independently 0 to 3; and wherein the purified 2-hydrocarbyl-3-(dihydroxyfluoresceinyl)phthalimidine compound of formula (I) has a purity of greater than 99.4%, as determined by high performance liquid chromatography.