Sodium hydrosulfide hydrate → HCID 66702031, compound

Participants

Reaction Conditions

Reaction Steps

Sodium hydrosulfide hydrate (1.18 g) was added to a solution of the subtitle product of step iv) (8.0 g) in DMSO (67 ml) and the green solution stirred for 2 h. A further aliquot of sodium hydrosulfide hydrate (0.79 g) was added and stirred for 1 h. This aliquot addition was repeated twice more before heating the solution at 50° C. for 30 min. The resulting reaction solution was used directly in the following step. The subtitle compound was also kept as a stock solution for further reaction with alkyl halides, described in Examples 41-42.

Provenance & Evidence