Development of a Practical Large-Scale Synthesis of Denagliptin Tosylate

被引:44
作者
Patterson, Daniel E. [1 ]
Powers, Jeremiah D. [1 ]
LeBlanc, Michael [1 ]
Sharkey, Tyler [1 ]
Boehler, Emily [1 ]
Irdam, Erwin [1 ]
Osterhout, Martin H. [1 ]
机构
[1] GlaxoSmithKline Inc, Chem Dev, Res Triangle Pk, NC 27709 USA
关键词
DIPEPTIDYL-PEPTIDASE-IV; REAGENT; INHIBITORS; DISCOVERY; CATALYST; POTENT; ACIDS;
D O I
10.1021/op900178d
中图分类号
O69 [应用化学];
学科分类号
081704 ;
摘要
A large-scale synthesis of denagliptin tosylate has been developed. The efficiency of the synthesis has been improved from the initially scaled route by changing the order of steps (performing a dehydration at a late stage). The key step of the synthesis is a single-step peptide coupling/dehydration, mediated by n-propanephosphonic acid cyclic anhydride. The challenges of developing this synthesis into a robust and practical manufacturing route are described.
引用
收藏
页码:900 / 906
页数:7
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