Acetic Anhydride → HCID 54366097, 화합물

반응식

[CH3:1][N:2]1[C:6]2[CH:7]=[C:8]([C:14]([OH:16])=[O:15])[C:9]([C:11](O)=[O:12])=[CH:10][C:5]=2[N:4]=[C:3]1[CH3:17].C(OC(=O)C)(=O)C>>[CH3:1][N:2]1[C:6]2[CH:7]=[C:8]3[C:14](=[O:16])[O:15][C:11](=[O:12])[C:9]3=[CH:10][C:5]=2[N:4]=[C:3]1[CH3:17]

참가 물질

반응물 2

HCID 7918Acetic Anhydride

HCID 22402945HCID 22402945, 화합물

생성물 1

HCID 54366097HCID 54366097, 화합물수율 90.1%

실험 절차

A mixture of the 1,2-dimethyl-5,6-benzimidazoledicarboxylic acid (1.25 g, 5.34 mmol) and acetic anhydride is stirred for 2 hours at reflux temperature, cooled to 5° and filtered. The filter cake is dried to give the title product as brown needles (1.04 g, 90.1%), mp 310°-315° C.

후처리

temperatureat reflux temperature
temperaturecooled to 5°
filtrationfiltered
customThe filter cake is dried

출처 및 근거

ORD 기록: ord-9e131466c0da4915bd289cc36f32d808
출처 데이터셋: uspto-grants-1996_06
DOI: 10.6084/m9.figshare.5104873.v1
특허 번호: US05523279

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