p-Bromobenzenesulfonyl chloride → Benzenesulfonic acid, 4-bromo-, hydrazide

HRID 1633230Notes

Reaction equation

HRID 1633230 reaction equation
NC1C(C=[N:11][NH:12][S:13]([C:16]2[CH:21]=[CH:20][C:19]([Br:22])=[CH:18][CH:17]=2)(=[O:15])=[O:14])=NC(Cl)=C(Cl)N=1.BrC1C=CC(S(Cl)(=O)=O)=CC=1.NN>>[Br:22][C:19]1[CH:18]=[CH:17][C:16]([S:13]([NH:12][NH2:11])(=[O:14])=[O:15])=[CH:21][CH:20]=1

Participants

4

Reactant 3

HCID 7396p-Bromobenzenesulfonyl chlorideHCID 9321HydrazineHCID 53976617HCID 53976617, compound

Product 1

HCID 75302Benzenesulfonic acid, 4-bromo-, hydrazide

Procedure

p-Bromobenzenesulfonic acid 2-[(3-amino-5,6-dichloropyrazinyl)methylene]hydrazide by the reaction of p-bromobenzenesulfonyl chloride with hydrazine to form p-bromobenzenesulfonylhydrazine, followed by the reaction of the latter with 3-amino-5,6-dichloropyrazinaldehyde.

Sources & evidence

ORD record
ord-386835eace2d41a4a47da9afe16da57a
Source dataset
uspto-grants-1984_10
Patent number
US04479953

Reaction notes

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