Processes for the preparation of 3-(methylthio)propanal and 2-hy

Details Processes for the preparation of 3-(methylthio)propanal and 2-hy Processes for the preparation of 3-(methylthio)propanal and 2-hy

1995-12-29

1998-01-06

Richter, Johann

Organic compounds -- part of the class 532-570 series

Organic compounds

Nitriles

568 41, C07C32322, C07C25300, C07C25330, C07C31920

Patent

active

057056757

ABSTRACT:
Described herein is a catalytic processes for the preparation of 3-(methylthio)propanal and 2-hydroxy-4-(methylthio)butanenitrile using novel addition catalysts are disclosed. The novel addition catalysts include:

REFERENCES:
patent: 2521677 (1950-09-01), Vander Weele
patent: 2523633 (1950-09-01), Pierson et al.
patent: 2542768 (1951-02-01), Gresham et al.
patent: 2557913 (1951-06-01), Livak et al.
patent: 2584496 (1952-02-01), Pierson et al.
patent: 2626282 (1953-01-01), Cunningham et al.
patent: 2676190 (1954-04-01), Bernard et al.
patent: 2745745 (1956-05-01), Blake et al.
patent: 2776996 (1957-01-01), Hunt et al.
patent: 2938053 (1960-05-01), Blake et al.
patent: 3438868 (1969-04-01), Sawaki et al.
patent: 3529940 (1970-09-01), Shima et al.
patent: 3574766 (1971-04-01), Meyer et al.
patent: 3699148 (1972-10-01), Darcas et al.
patent: 3833651 (1974-09-01), Ouchi et al.
patent: 3878057 (1975-04-01), Mannsfeld
patent: 4048232 (1977-09-01), Koberstein et al.
patent: 4225516 (1980-09-01), Biola et al.
patent: 4319047 (1982-03-01), Komora et al.
patent: 5352837 (1994-10-01), Hsu et al.
Chemical Abstracts, vol. 53, No. 18, Sep. 25, 1959, Abstract No. 16940b for Z. Brzozowski, "Preparation of .beta.-methylthiopropionaldehydes," Roczniki Chem., vol. 33, pp. 217-220 (1959).
Chemical Abstracts, vol. 82, No. 3, Jan. 20, 1975, Abstract No. 16318p for Japanese Patent No. 74024890, Jun. 26, 1974.
Chemical Abstracts, vol. 83, No. 1, Jul. 7, 1975, Abstract No. 9197r for Japanese Patent No. 74024046, Jun. 20, 1974.
Derwent World Patent Index abstract for Japanese Patent No. 74024890, Jun. 26, 1974.
Derwent World Patent Index Patent No. 74024046, Jun. 20, 1974.
Z. Brzozowski, "Preparation of .beta.-methylthiopropionaldehydes," Roczniki Chem., vol. 33, pp. 217-220, (1959).

Affiliated with

Also associated with

Rating

Processes for the preparation of 3-(methylthio)propanal and 2-hy does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Processes for the preparation of 3-(methylthio)propanal and 2-hy, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Processes for the preparation of 3-(methylthio)propanal and 2-hy will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2330250