Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Substituted 2-ethylbenzo [b] thiophene, process for preparation thereof and use thereof as synthetic intermediate

Substituted 2-ethylbenzo [b] thiophene, process for preparation thereof and use thereof as synthetic intermediate

US Patent 5420300 · Granted May 30, 1995

Estimated economic value: $2,926,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Alkyl esters of 3-(3,4-dihalophenyl)-2,6-dioxopiperidine-3-propionic acid of use2005
Alkyl esters of 3-(3,4-dihalophenyl)-2,6-dioxopiperidine-3-propionic acid of use2004
Alkyl esters of 3-(3,4-dihalogenophenyl)-2,6-dioxopiperidine-3-propionic acid of2002
Methyl-phenyl derivatives, preparation method and use2002
Method for preparing 4-methyl-biphenyl derivatives2002
Method for preparing optically active .alpha.-substituted benzyl alcohols2000
Method for preparing 2-thienylethylamine derivatives2000
Process for the preparation of 3-benzoyl benzofuran derivatives1993
Process for the preparation of benzothiazepin-one derivatives1992
Process for the preparation of isoquinoline derivatives1992
Process for the preparation of morphinane derivatives1991
1H-pyrrolo [3,2-c]pyrrolidines protected in 1-position useful as intermediates1989