Sulfanilamide → 4-Isocyanatobenzene-1-sulfonamide

HRID 655134Notes

Reaction equation

HRID 655134 reaction equation
[NH2:1][C:2]1[CH:7]=[CH:6][C:5]([S:8]([NH2:11])(=[O:10])=[O:9])=[CH:4][CH:3]=1.N(C1C=C(S(N)(=O)=O)C=CC=1)=[C:13]=[O:14]>>[N:1]([C:2]1[CH:7]=[CH:6][C:5]([S:8]([NH2:11])(=[O:9])=[O:10])=[CH:4][CH:3]=1)=[C:13]=[O:14]

Participants

3

Reactant 2

HCID 5333Sulfanilamide2×HCID 20455860HCID 20455860, compound2×

Product 1

HCID 214940234-Isocyanatobenzene-1-sulfonamide

Procedure

This compound is prepared from 4-aminobenzenesulphonamide using a procedure analogous to that of 3-isocyanato-benzenesulfonamide (Intermediate 5) by replacing 3-aminobenzenesulphonamide with 4-aminobenzenesulphonamide.

Sources & evidence

ORD record
ord-1a42d225a8974f6082530e71806e01bf
Source dataset
uspto-grants-2011_12
Patent number
US08071565B2

Reaction notes

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