Acetic Anhydride → Benzenesulfonic acid, 5-(acetylamino)-2-amino-

HRID 2260464노트

반응식

[NH2:1][C:2]1[CH:7]=[CH:6][C:5]([NH2:8])=[CH:4][C:3]=1[S:9]([OH:12])(=[O:11])=[O:10].[C:13](OC(=O)C)(=[O:15])[CH3:14]>>[NH2:1][C:2]1[CH:7]=[CH:6][C:5]([NH:8][C:13](=[O:15])[CH3:14])=[CH:4][C:3]=1[S:9]([OH:12])(=[O:10])=[O:11]

참가 물질

반응물 2

HCID 7918Acetic Anhydride

HCID 666172,5-Diaminobenzenesulfonic acid

생성물 1

HCID 66788Benzenesulfonic acid, 5-(acetylamino)-2-amino-

실험 절차

That is, 2,5-diaminobenzenesulfonic acid is acetylated with acetic anhydride to obtain 2-amino-5-acetylaminobenzenesulfonic acid, which is then diazotized in an ordinary manner and coupled with 1,7-Cleve's acid to thereby obtain the compound [A] shown below.

출처 및 근거

ORD 기록: ord-5cfab24989c54de887cdfad61e2aa8c2
출처 데이터셋: uspto-grants-1995_12
DOI: 10.6084/m9.figshare.5104873.v1
특허 번호: US05478384

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