US 9,346,796 B2Granted

Methods and intermediates for preparing pharmaceutical agents

AssigneeGilead Sciences, Inc.

InventorsAaron J. Cullen, Richard Hung Chiu Yu

Life of this patent

Estimating the term…

Methods and intermediates useful for preparing a compound of formula I: and salts thereof.

Dependent claims

A compound of structure:

wherein:
R1c is —C(O)O(C1-C6)alkyl wherein —C(O)O(C1-C6)alkyl is optionally substituted with one or more halogen or (C1-C6)alkoxy;
or a salt thereof.

Dependencies are inferred from the claim text.

C07D 417/12
Containing two hetero rings: linked by a chain containing hetero atoms as chain links
A61P 31/12
Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics: antivirals
C07C 271/12
With the nitrogen atoms of the carbamate groups bound to hydrogen atoms or to acyclic carbon atoms: to hydrogen atoms or to carbon atoms of…
C07C 271/16
With the nitrogen atoms of the carbamate groups bound to hydrogen atoms or to acyclic carbon atoms: to carbon atoms of hydrocarbon radicals…

From the US filing history. Foreign family members aren’t listed.

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