US 11,891,557 B2
Isothiocyanato tolane derivatives
Dmitry Ushakov, Muenster (DE); Beate Schneider, Seeheim-Jugenheim (DE); Carsten Fritzsch, Darmstadt (DE); Michael Wittek, Erzhausen (DE); and Dagmar Klass, Darmstadt (DE)
Assigned to MERCK PATENT GMBH, Darmstadt (DE)
Appl. No. 16/647,181
Filed by MERCK PATENT GMBH, Darmstadt (DE)
PCT Filed Sep. 11, 2018, PCT No. PCT/EP2018/074365
§ 371(c)(1), (2) Date Mar. 13, 2020,
PCT Pub. No. WO2019/052972, PCT Pub. Date Mar. 21, 2019.
Claims priority of application No. 17191016 (EP), filed on Sep. 14, 2017.
Prior Publication US 2021/0122977 A1, Apr. 29, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. C09K 19/18 (2006.01); C07C 15/54 (2006.01); C07C 331/28 (2006.01); C07C 25/24 (2006.01)
CPC C09K 19/18 (2013.01) [C07C 15/54 (2013.01); C07C 25/24 (2013.01); C07C 331/28 (2013.01); C09K 2019/181 (2013.01); C09K 2219/11 (2013.01)] 14 Claims
 
1. A compound of formula I-1

OG Complex Work Unit Chemistry
in which
R1 denotes ethyl, n-propyl, n-butyl, n-pentyl, or n-hexyl,
RL denotes ethyl.