Methyl Ethyl Ketone → 4,4'-Dichlorobenzoin toluenesulfonate

HRID 1904427Notes

Reaction equation

HRID 1904427 reaction equation
C1(C)C=CC([S:7](Cl)(=[O:9])=[O:8])=CC=1.[Cl:12][C:13]1[CH:18]=[CH:17][C:16]([C:19]([CH:21]([C:23]2[CH:28]=[CH:27][C:26]([Cl:29])=[CH:25][CH:24]=2)[OH:22])=[O:20])=[CH:15][CH:14]=1.C(C(C)=[O:33])C>>[C:16]1([CH3:19])[C:15]([S:7]([OH:9])(=[O:33])=[O:8])=[CH:14][CH:13]=[CH:18][CH:17]=1.[Cl:12][C:13]1[CH:14]=[CH:15][C:16]([C:19]([CH:21]([C:23]2[CH:24]=[CH:25][C:26]([Cl:29])=[CH:27][CH:28]=2)[OH:22])=[O:20])=[CH:17][CH:18]=1

Participants

4

Reactant 3

HCID 6569Methyl Ethyl KetoneHCID 73974-Toluenesulfonyl chlorideHCID 2192861,2-Bis(4-chlorophenyl)-2-hydroxyethanone

Product 1

HCID 867431114,4'-Dichlorobenzoin toluenesulfonate

Procedure

In accordance with Example 2, p-toluenesulfonyl chloride is reacted with 4,4'-dichlorobenzoin in 200 ml of methyl ethyl ketone. The resultant sulfone melts at 129°-130° C.

Sources & evidence

ORD record
ord-e887490e16844619909c54cb96ba714c
Source dataset
uspto-grants-1989_06
Patent number
US04837350

Reaction notes

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