US 11,731,971 B2
Processes for preparing a diazabicyclooctane compound
Takao Abe, Kanagawa (JP); Takeshi Furuuchi, Kanagawa (JP); and Yoshiaki Sakamaki, Kanagawa (JP)
Assigned to MEIJI SEIKA PHARMA CO., LTD., Tokyo (JP)
Filed by MEIJI SEIKA PHARMA CO., LTD., Tokyo (JP)
Filed on Aug. 11, 2021, as Appl. No. 17/399,618.
Application 17/399,618 is a division of application No. 16/660,682, filed on Oct. 22, 2019, granted, now 11,117,896.
Application 16/660,682 is a division of application No. 15/973,861, filed on May 8, 2018, granted, now 10,556,905, issued on Feb. 11, 2020.
Application 15/973,861 is a division of application No. 15/583,238, filed on May 1, 2017, granted, now 10,023,573, issued on Jul. 17, 2018.
Application 15/583,238 is a division of application No. 14/872,988, filed on Oct. 1, 2015, granted, now 9,708,320, issued on Jul. 18, 2017.
Application 14/872,988 is a division of application No. 14/404,288, granted, now 9,181,250, issued on Nov. 10, 2015, previously published as PCT/JP2013/064971, filed on May 30, 2013.
Claims priority of application No. 2012-122603 (JP), filed on May 30, 2012.
Prior Publication US 2021/0371419 A1, Dec. 2, 2021
Int. Cl. C07D 471/08 (2006.01); A61K 31/439 (2006.01); A61K 31/4545 (2006.01); A61K 31/5377 (2006.01); A61K 31/407 (2006.01); A61K 31/4162 (2006.01); A61K 31/427 (2006.01); A61K 45/06 (2006.01); A61K 31/43 (2006.01); A61K 31/545 (2006.01); A61K 31/546 (2006.01); C07D 211/60 (2006.01); A61K 31/444 (2006.01); A61K 31/437 (2006.01); C07F 7/08 (2006.01)
CPC C07D 471/08 (2013.01) [A61K 31/407 (2013.01); A61K 31/4162 (2013.01); A61K 31/427 (2013.01); A61K 31/43 (2013.01); A61K 31/437 (2013.01); A61K 31/439 (2013.01); A61K 31/444 (2013.01); A61K 31/4545 (2013.01); A61K 31/5377 (2013.01); A61K 31/545 (2013.01); A61K 31/546 (2013.01); A61K 45/06 (2013.01); C07D 211/60 (2013.01); C07F 7/0812 (2013.01); Y02P 20/55 (2015.11)] 5 Claims
 
1. A compound of a formula selected from the group consisting of

OG Complex Work Unit Chemistry
wherein in the above formulae, OMe represents a methoxy group and OBn represents a benzyloxy group.