公开(公告)号：US20220064129A1

公开(公告)日：2022-03-03

申请号：US17421326

申请日：2020-01-02

Applicant: BASF SE

Inventor： Rahul GARG ,  Mushtaq PATEL ,  Prachin KOLAMBKAR ,  Mileen KADAM ,  Deepak MAKADE ,  Ramraj BHATTA

IPC: C07D251/24

Abstract: The presently claimed invention relates to a novel, highly efficient and general process for the preparation of UV absorbers.

公开(公告)号：US20190169108A1

公开(公告)日：2019-06-06

申请号：US16322274

申请日：2017-08-03

Applicant: BASF SE

Inventor： VOLKER HICKMANN ,  Stefan RUEDENAUER ,  Ralf PELZER ,  Vijay Narayanan SWAMINATHAN ,  Shrirang HINDALEKAR ,  Nitin GUPTE ,  Sadanand ARDEKAR ,  Mileen KADAM

IPC: C07C31/135 ,  C07C33/14 ,  C07C49/303 ,  C07C49/557 ,  C07C69/14 ,  C07C69/24 ,  C07C29/14 ,  C07C29/40 ,  C07C45/29 ,  C07C45/54 ,  C07C45/62 ,  C07C67/14 ,  C07C67/46 ,  C11B9/00 ,  A23L27/20

Abstract: The invention relates to compounds of formula (A) as defined herein, and esters of the compound of formula (A), and ketones of the compound of formula (A). The invention further relates to a method for preparing compounds of formula (A) and esters of the compound of formula (A), and ketones of the compound of formula (A). The invention further relates to the use of at least one compound selected from compounds of formula (A) and the esters of a compound of formula (A) and the ketones of a compound of formula (A) as aroma chemical.