Sodium dithionate → HCID 13491969, compound

Participants

Reaction Steps

To a suspension of 36.3 g (0.1 mole) of 1,1-bis(5-chloro-2-hydroxy-3-nitrophenyl)methane of Example 19 in 300 ml of methanol-water (1:1) was added 145 g (0.4 mole) of sodium dithionate. The mixture was stirred for 4 hours and then filtered. The solid was dissolved in 22 g of ethyl acetate and washed with water, dried over magnesium sulfate and concentrated to yield 16.9 g of product of m.p. 212°-215° C.

Provenance & Evidence