James G Snyder

Address:

131 Mcclellan St, Phila, PA 19148

VIN:

1ZVFT82HX75225328

Make:

FORD

Model:

MUSTANG

Year:

2007

US Patent:

H53, Apr 1, 1986

Filed:

Feb 21, 1984

Appl. No.:

6/582115

Inventors:

Sol A. Mednick - Willingboro NJ
James Snyder - Yardville NJ

Assignee:

FMC Corporation - Philadelphia PA

International Classification:

C07D26104
C07D26110
C07D26112
C07D41300

US Classification:

548243

Abstract:

Processes for producing 4,4-dimethyl-3-isoxazolidinone and intermediates for it from known and inexpensive starting materials are described and exemplified.

US Patent:

44206429, Dec 13, 1983

Filed:

Feb 18, 1982

Appl. No.:

6/349810

Inventors:

James Snyder - Yardville NJ

Assignee:

FMC Corporation - Philadelphia PA

International Classification:

C07C 3786

US Classification:

568753

Abstract:

A process is disclosed for selectively removing catechol from a mixture comprising catechol, 2-methallyloxyphenol, various salts, and by-products by treating the mixture with aqueous base, the aqueous phase being preferably saturated with respect to salts present; the catechol may then be recovered for recycle by acidifying the resulting aqueous phase and extracting the acidified aqueous phase with a suitable organic solvent.

US Patent:

48515876, Jul 25, 1989

Filed:

May 31, 1988

Appl. No.:

7/200336

Inventors:

James Snyder - Yardville NJ

Assignee:

FMC Corporation - Philadelphia PA

International Classification:

C07C 4116

US Classification:

568652

Abstract:

2-Methallyloxyphenol precursor to 2,3-dihydro-2,2-dimethyl-7-hydroxybenzofuran is prepared selectively and in good yield in the etherification of an alkali metal catecholate by methallyl chloride in an improved process using the same solvent medium for both the precursor and the hydroxybenzofuran, the process characterized by a solvent medium comprising an aromatic hydrocarbon solvent, the medium also containing an amine selected from alkylamines and N-heterocyclic amines. The amine forms a quaternary salt with the methallyl chloride in situ to catalyze the etherification and the aromatic solvent permits rearrangement of the product and Claisen closure to a benzofuran intermediate without solvent exchange.