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US 10,947,264 B2Granted
Process for preparation of sulfonylurea bile acid derivatives
AssigneeEnanta Pharmaceuticals, Inc.
InventorsGuoqiang Wang, Yong He, Peng Dai, Guoyou Xu, Bin Wang, Jiang Long, Yat Sun Or
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Abstract
The present invention relates to compounds of Formulas 3-6, where R4 PG1 and PG2 are defined as disclosed herein. These compounds are useful as intermediates in processes for preparing a compound of Formula I: where R1 is defined as disclosed herein.
Claims5
A compound represented by one of Formulas 3-6,
- wherein PG1 is a hydroxyl protecting group, PG2 is a silyl group and R4 is phenyl or substituted phenyl.
Dependencies are inferred from the claim text.