Cl[CH2:2][CH2:3][S:4]([CH2:7][CH:8]([OH:16])[CH2:9][S:10]([CH2:13][CH2:14][Cl:15])(=[O:12])=[O:11])(=[O:6])=[O:5].[CH:17]([S:25]([O-:27])=[O:26])=[CH:18][C:19]1[CH:24]=[CH:23][CH:22]=[CH:21][CH:20]=1.[Na+]>O.CO>[Cl:15][CH2:14][CH2:13][S:10]([CH2:9][CH:8]([OH:16])[CH2:7][S:4]([CH2:3][CH2:2][S:25]([CH:17]=[CH:18][C:19]1[CH:24]=[CH:23][CH:22]=[CH:21][CH:20]=1)(=[O:27])=[O:26])(=[O:6])=[O:5])(=[O:12])=[O:11]In a 3 liter reaction vessel were placed 1 liter of distilled water, 1 liter of methanol and 157 g of 1,3-di(2-chloroethylsulfonyl)-2-hydroxypropane. The vessel was heated to 46° C. for the purpose of dissolution. Thereto, a solution of 52 g sodium styrenesulfinate dissolved in a mixture of 100 ml of distilled water and 100 ml of methanol was added dropwise over a period of about 1 hour, and the heating and the stirring were further continued for 5 hours. A crystal deposited was filtered off, washed with methanol, and dried in vacuo. Thus, 55 g of M-6 was obtained. The yield was 49%.
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