Intermediates of sitagliptin and preparation process thereof

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United States of America Patent

PATENT NO 9187419
APP PUB NO 20130281695A1
SERIAL NO

13988261

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Abstract

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Disclosed are intermediates of Sitagliptin, a preparation process thereof, and a process for synthesizing Sitagliptin using these intermediates. Sitagliptin is synthesized by using chiral amino compounds as a raw material, without having to build a chiral center with a chiral asymmetric catalytic hydrogenation, and high-pressure hydrogenation is avoided.

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Patent Owner(s)

Patent OwnerAddress
ZHEJIANG HISOAR PHARMACEUTICAL CO LTDZHEJIANG 318000

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Deng, Fei Taizhou, CN 18 71
He, Minhuan Taizhou, CN 1 0
Huang, Mingwang Taizhou, CN 2 0
Li, Weijin Taizhou, CN 16 1012
Ma, Tianhua Taizhou, CN 3 2
Pan, Xianhua Taizhou, CN 1 0
Ruan, Libo Taizhou, CN 1 0
Yu, Wansheng Taizhou, CN 1 0
Zhang, Qunhui Taizhou, CN 3 0

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