US 11,866,403 B2
Carboxylic acid ester compound, method for producing the same, composition, and, fragrance composition
Yutaka Matsuura, Niigata (JP); and Tomohiko Hakamata, Yokohama (JP)
Assigned to Mitsubishi Gas Chemical Company, Inc., Chiyoda-ku (JP)
Appl. No. 17/259,424
Filed by Mitsubishi Gas Chemical Company, Inc., Chiyoda-ku (JP)
PCT Filed May 28, 2019, PCT No. PCT/JP2019/021171
§ 371(c)(1), (2) Date Jan. 11, 2021,
PCT Pub. No. WO2020/012806, PCT Pub. Date Jan. 16, 2020.
Claims priority of application No. 2018-132789 (JP), filed on Jul. 13, 2018.
Prior Publication US 2021/0276941 A1, Sep. 9, 2021
Int. Cl. C07C 69/753 (2006.01); C11B 9/00 (2006.01)
CPC C07C 69/753 (2013.01) [C11B 9/0049 (2013.01); C07C 2601/04 (2017.05); C07C 2602/44 (2017.05)] 5 Claims
 
1. A carboxylic acid ester compound represented by formula (1),

OG Complex Work Unit Chemistry
wherein R1 is —COOR, wherein R is an alkyl group having 1 to 4 carbon atoms.