Method for preparing a methylene-bis-(O,O-diorganophosphorodithi

Details Method for preparing a methylene-bis-(O,O-diorganophosphorodithi Method for preparing a methylene-bis-(O,O-diorganophosphorodithi

1983-07-13

1985-07-30

Sutto, Anton H.

Chemistry of carbon compounds

Dipeptides, e.g., aspartame, anserine, carnosine, etc.

C07F 912

Patent

active

045320845

ABSTRACT:
Method for making methylene-bis-diorganophosphorodithiato-substituted hindered phenols by conversion of hindered phenols to the corresponding hindered phenol aldehydes and subsequent reaction, without isolation, with a diorganophosphorodithioic acid, which results in economically advantageous and simplified processing as well as minimization of wasteful and costly by-products.

REFERENCES:
patent: 3169903 (1965-02-01), Stoutamire
patent: 3370110 (1968-02-01), Stoutamire

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