260389-90-0Relevant articles and documents
Bacterial Biosynthetic P450 Enzyme PikCD50N: A Potential Biocatalyst for the Preparation of Human Drug Metabolites
Cheng, Fangyuan,Du, Lei,Durairaj, Pradeepraj,Guo, Jiawei,Li, Fengwei,Li, Shengying,Liu, Xiaohui,Long, Xiangtian,Ma, Li,Tang, Dandan,Zhang, Gang,Zhang, Wei,Zhang, Xingwang
, p. 14563 - 14571 (2021/11/12)
Human drug metabolites (HDMs) are important chemicals widely used in drug-related studies. However, acquiring these enzyme-derived and regio-/stereo-selectively modified compounds through chemical approaches is complicated. PikC is a biosynthetic P450 enz
Formal synthesis of fesoterodine by acid-facilitated aromatic alkylation
Lee, Youngeun,Shabbir, Saira,Jeong, Yuri,Ban, Jaeyoung,Rhee, Hakjune
, p. 2885 - 2889 (2016/02/05)
The competitive muscarinic receptor antagonist fesoterodine is a congener of tolterodine and has better efficiency compared to tolterodine. In this study, we present an efficient synthesis of the fesoterodine intermediate 3-(3-diisopropylamino-1-phenylpropyl)-4-hydroxybenzaldehyde from ethyl benzoylacetate by Friedel-Crafts alkylation in the presence of an acid as a key reaction step. The synthesis is carried out by the reduction of the ketoester to a 1,3-diol, diisopropylamine substitution, and Friedel-Crafts alkylation, followed by reduction and chiral resolution.
The lactol route to fesoterodine: An amine-promoted Friedel-Crafts alkylation on commercial scale
Dirat, Olivier,Bibb, Andrew J.,Burns, Colin M.,Checksfield, Graham D.,Dillon, Barry R.,Field, Stuart E.,Fussell, Steven J.,Green, Stuart P.,Mason, Clive,Mathew, Jinu,Mathew, Suju,Moses, Ian B.,Nikiforov, Petar I.,Pettman, Alan J.,Susanne, Flavien
, p. 1010 - 1017 (2011/12/16)
We report the discovery and optimization of an amine-promoted Friedel-Crafts alkylation of cinnamaldehyde with 4-hydroxymethyl phenol. This reaction has been used successfully on commercial scale (200 kg) in the context of the manufacture of fesoterodine, a muscarinic antagonist used for the treatment of overactive bladder. Reductive aminations of diisopropylamine and lactol 4 are also discussed, as well as the resolution of the racemic amine rac-2 into its enantiomerically pure form.