US 4,308,208 AGranted

.alpha.-Methylthio-.alpha.-(p-phthalimidophenyl)-propionic acid

AssigneeSagami Chemical Research Center

InventorsGehichi Tsuchihashi, Katsuyuki Ogura, Shuichi Mitamura

Life of this patent

Estimating the term…

Abstract

The present invention provides .alpha.-methylthio-.alpha.-(p-phthalimidophenyl)-propionic acid and its esters of the formula: ##STR1## wherein R' represents H or C.sub.1 -C.sub.4 alkyl. The subject compounds are useful as intermediates e.g. for Indoprofen.

Claims1

Dependent claims

Alpha-methylthio-.alpha.-(p-phthalimidophenyl)propionic acid and its esters of the formula ##STR11## wherein R' represents H or C.sub.1 -C.sub.4 alkyl.

Dependencies are inferred from the claim text.

Facts

Application: 06/156,348Filed 4 Jun 1980 · division
Priority: JP 51/12390318 Oct 1976
Granted: 29 Dec 1981
Term ends: Not estimatedThe source records don’t support an estimate.

Classification15 codes

C07D 209/48
Iso-indoles; Hydrogenated iso-indoles: with oxygen atoms in positions 1 and 3, e.g. phthalimide
C07C 51/377
By reactions not involving formation of carboxyl groups: by splitting-off hydrogen or functional groups; by hydrogenolysis of functional groups
C07C 57/30
Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms: containing six-membered aromatic rings
C07C 59/68
The non-carboxylic part of the ether containing six-membered aromatic rings: the oxygen atom of the ether group being bound to a non-condensed…

Family

Serial843,343Parent of this continuation · filed 18 Oct 1977
Serial20,231Parent of this division · filed 13 Mar 1979
US 4,242,519 AParent of this division
US 4,308,208 AThis patent

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

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