Sodium Hydroxide → 3,4-Dimethyl-1,2-oxathiolane-5-one-2,2-dioxide

HRID 66437Notes

Reaction equation

[CH3:1]/[C:2](=[CH:6]\[CH3:7])/[C:3]([OH:5])=[O:4].[OH-].[Na+].[S:10](=O)([OH:12])[O-:11].[Na+]>>[CH3:7][CH:6]1[CH:2]([CH3:1])[C:3](=[O:5])[O:4][S:10]1(=[O:12])=[O:11]

Participants

Reactant 3

HCID 14798Sodium Hydroxide

HCID 125468Tiglic acid

HCID 23665763Sodium Bisulfite

Product 1

HCID 213296113,4-Dimethyl-1,2-oxathiolane-5-one-2,2-dioxide

Procedure

100 g. of α-methyl-crotonic acid is reacted with sodium hydroxide to neutralize the carboxyl group. Sodium bisulfite (104 g.) in aqueous solution is added and the reaction continued as described in earlier examples to obtain 3,4-dimethyl-1,2-oxathiolane-5-one-2,2-dioxide

Workup

customthe reaction continued

Sources & evidence

ORD record: ord-51f6e99e8a9c4d07b37ef90748a08039
Source dataset: uspto-grants-1978_12
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US04131736

Reaction notes

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