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US 8,497,396 B2Granted
Methods and intermediates for preparing pharmaceutical agents
AssigneeGilead Sciences, Inc.
InventorsRichard Polniaszek, Steven Pfeiffer, Richard Yu, Aaron Cullen, Eric Dowdy, Duong Tran, Kenneth Kent, Zhongxin Zhou, Doug Cordeau, Leah Easton
Life of this patent
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Abstract
The invention provides methods and intermediates that are useful for preparing a compound of formula I: and salts thereof.
Claims16
A method for preparing a compound of formula V:
- wherein R1 is dimethylaminosulfonyl or a salt thereof, comprising dimerizing a corresponding compound of formula II:
- to provide the compound of formula V or the salt thereof.
Dependencies are inferred from the claim text.