Process for preparing 2-methyl-2-(methylsulfonyl) propionaldehyd

Details Process for preparing 2-methyl-2-(methylsulfonyl) propionaldehyd Process for preparing 2-methyl-2-(methylsulfonyl) propionaldehyd

1986-06-27

1989-07-11

Reamer, James H.

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

Organic compounds

Amino nitrogen containing

C07C13100

Patent

active

048474134

ABSTRACT:
This invention relates to a process for preparing 2-methyl-2-(methylsulfonyl) propionaldehyde O-(methylcarbamoyl) oxime as an aqueous wet cake by reacting 2-methyl-2-(methylthio) propionaldehyde oxime with methyl isocyanate in an aqueous medium to give 2-methyl-2-(methylthio) propionaldehyde O-(methylcarbamoyl) oxime which is then oxidized in an aqueous medium to give 2-methyl-2-(methylsulfonyl) propionaldehyde O-(methylcarbamoyl) oxime. This invention also relates to an aqueous wet cake composition containing 2-methyl-2-(methylsulfonyl) propionaldehyde O-(methylcarbamoyl) oxime.

REFERENCES:
patent: 3217036 (1965-11-01), Payne
patent: 3217037 (1965-11-01), Payne et al.
patent: 3506698 (1970-04-01), Jelinek
patent: 3824320 (1974-07-01), Buchanan
patent: 4097526 (1978-06-01), Chan
patent: 4248795 (1981-02-01), Chan
Saunders, J. H. et al., Chemical Reviews, vol. 43 (1948) pp. 207-211.

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