Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Process for the preparation of 5-cyanophthalide starting from 5-carboxyphthalide

Process for the preparation of 5-cyanophthalide starting from 5-carboxyphthalide

US Patent 7482476 · Granted Jan 27, 2009

Assignee

No assignee recorded.

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Process for the preparation of citalopram and escitalopram2009
Process for the preparation of citalopram and escitalopram2009
Chemo-enzymatic process for the preparation of escitalopram2008
Chemo-enzymatic process for the preparation of escitalopram2008
Process for the preparation of a cyano-isobenzofuran2008
Process for the preparation of 5-substituted isobenzofurans2007
Process for the preparation of 5-formylphthalide2005
Process for the preparation of 5-carboxyphthalide2004
Process for the preparation of a deoxyuridine derivative2003
Process for the preparation of 5-carboxyphthalide2002