2-Aminobenzenesulfonic acid → 3-Styrenesulfonic acid

Reaction equation

N[C:2]1[C:3]([S:8]([OH:11])(=[O:10])=[O:9])=[CH:4][CH:5]=[CH:6][CH:7]=1.N[C:13]1C=CC=C(S(O)(=O)=O)[CH:14]=1>>[CH2:13]=[CH:14][C:7]1[CH:6]=[CH:5][CH:4]=[C:3]([S:8]([OH:11])(=[O:10])=[O:9])[CH:2]=1

Participants

Reactant 2

HCID 69262-Aminobenzenesulfonic acid

HCID 84743-Aminobenzenesulfonic acid

Product 1

HCID 40804293-Styrenesulfonic acidYield 71%

Procedure

If instead of aniline-2-sulphonic acid the same amount of aniline-3-sulphonic acid was used, 11.0 g (71%) of styrene-3-sulphonic acid, Na salt, were obtained by the method indicated in Example 15.

Sources & evidence

ORD record: ord-9230a646b7f04e0581516b48345e88d3
Source dataset: uspto-grants-1993_07
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US05231223

Reaction notes

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