Ethanesulfonyl chloride → Benfuresate

HRID 971949Notes

Reaction equation

HRID 971949 reaction equation
[CH3:1][C:2]1([CH3:12])[C:6]2[CH:7]=[C:8]([OH:11])[CH:9]=[CH:10][C:5]=2[O:4][CH2:3]1.[CH2:13]([S:15](Cl)(=[O:17])=[O:16])[CH3:14]>C(N(CC)CC)C>[CH2:13]([S:15]([O:11][C:8]1[CH:9]=[CH:10][C:5]2[O:4][CH2:3][C:2]([CH3:12])([CH3:1])[C:6]=2[CH:7]=1)(=[O:17])=[O:16])[CH3:14]

Participants

4

Reactant 2

HCID 11667Ethanesulfonyl chlorideHCID 224014503,3-Dimethyl-2,3-dihydro-1-benzofuran-5-ol

Product 1

HCID 3034378Benfuresate

Reagents, catalysts & solvents 1

HCID 8471TriethylamineSolvent

Procedure

The same compound was also prepared by reacting 2,3-dihydro-3,3dimethyl-5-benzofuranol with ethanesulphonyl chloride in the presence of triethylamine in an analogous way to that described in Example 37(a).

Workup

  1. customThe same compound was also prepared

Sources & evidence

ORD record
ord-d3561d74ab174efd92011aaed251a0ad
Source dataset
uspto-grants-1979_07
Patent number
US04162154

Reaction notes

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