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Sulfuric Acid → 6,7-Dimethoxy-4-(3,4-dimethoxyphenyl)-2-methylquinoline-3-carboxylic acid propyl ester

HRID 1584139
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인쇄 미리보기

반응식

HRID 1584139 반응식
[NH2:1][C:2]1[CH:19]=[C:18]([O:20][CH3:21])[C:17]([O:22][CH3:23])=[CH:16][C:3]=1[C:4]([C:6]1[CH:11]=[CH:10][C:9]([O:12][CH3:13])=[C:8]([O:14][CH3:15])[CH:7]=1)=O.[C:24]([O:30][CH2:31][CH2:32][CH3:33])(=[O:29])[CH2:25][C:26]([CH3:28])=O.S(=O)(=O)(O)O>C(O)(=O)C>[CH2:31]([O:30][C:24]([C:25]1[C:26]([CH3:28])=[N:1][C:2]2[C:3]([C:4]=1[C:6]1[CH:11]=[CH:10][C:9]([O:12][CH3:13])=[C:8]([O:14][CH3:15])[CH:7]=1)=[CH:16][C:17]([O:22][CH3:23])=[C:18]([O:20][CH3:21])[CH:19]=2)=[O:29])[CH2:32][CH3:33]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 3

HCID 1118Sulfuric AcidHCID 74507Propyl acetoacetateHCID 99269672-Amino-4,5,3',4'-tetramethoxybenzophenone

생성물 1

HCID 218511596,7-Dimethoxy-4-(3,4-dimethoxyphenyl)-2-methylquinoline-3-carboxylic acid propyl ester수율 79%

시약·촉매·용매 1

HCID 176Acetic Acid용매

실험 절차

To a mixture of 2-amino-4,5,3',4'-tetramethoxybenzophenone, propyl acetoacetate and acetic acid, concentratd sulfuric acid was added, followed by the same treatment as in Reference Example 1, to yield 6,7-dimethoxy-4-(3,4-dimethoxyphenyl)-2-methylquinoline-3-carboxylic acid propyl ester (79%), which was then recrystallized from ethyl acetate-isopropyl ether to yield a colorless prismatic crystal having a melting point of 153 to 155° C.

후처리

  1. additionwas added

출처 및 근거

ORD 기록
ord-b4f98e583dbf4b039953f967646f21a9
출처 데이터셋
uspto-grants-1999_08
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US05932592

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