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Citric Acid → N-[4-[4-(2,4-diamino-6-methyl-5-pyrimidinyl)-1-piperazinyl]benzoyl]-L-glutamic acid

HRID 371457
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인쇄 미리보기

반응식

HRID 371457 반응식
C([O:3][C:4](=[O:37])[C@H:5]([CH2:30][CH2:31][C:32]([O:34]CC)=[O:33])[NH:6][C:7](=[O:29])[C:8]1[CH:13]=[CH:12][C:11]([N:14]2[CH2:19][CH2:18][N:17]([C:20]3[C:21]([NH2:28])=[N:22][C:23]([NH2:27])=[N:24][C:25]=3[CH3:26])[CH2:16][CH2:15]2)=[CH:10][CH:9]=1)C.[OH-].[Na+].C(O)(=O)CC(CC(O)=O)(C(O)=O)O>CO>[NH2:27][C:23]1[N:22]=[C:21]([NH2:28])[C:20]([N:17]2[CH2:16][CH2:15][N:14]([C:11]3[CH:10]=[CH:9][C:8]([C:7]([NH:6][C@H:5]([C:4]([OH:37])=[O:3])[CH2:30][CH2:31][C:32]([OH:34])=[O:33])=[O:29])=[CH:13][CH:12]=3)[CH2:19][CH2:18]2)=[C:25]([CH3:26])[N:24]=1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 3

HCID 311Citric AcidHCID 14798Sodium HydroxideHCID 13478337N-[4-[4-(2,4-Diamino-6-methyl-5-pyrimidinyl)-1-piperazinyl]benzoyl]-L-glutamic acid diethyl ester

생성물 1

HCID 13478336N-[4-[4-(2,4-diamino-6-methyl-5-pyrimidinyl)-1-piperazinyl]benzoyl]-L-glutamic acid수율 28.3%

시약·촉매·용매 1

HCID 887Methanol
용매

실험 절차

A mixture of 3.00 g (0.0058 mole) of N-[4-[4-(2,4-diamino-6-methyl-5-pyrimidinyl)-1-piperazinyl]-benzoyl]-L-glutamic acid diethyl ester and 12.5 ml of 1N aqueous sodium hydroxide solution in 150 ml of methanol was stirred at room temperature for four hours. The methanol was removed under vacuum at 23° C. and the residue was dissolved in 100 ml of ice water and then neutralized by the addition of 2.5 g (0.0129 moles) of citric acid. The solid precipitate was collected, washed with water, and then triturated several times with ethanol. The remaining solid was dried overnight in vacuo at 67° C. to give 0.75 g of the product as a white powder, mp 270° C. (dec.).

후처리

  1. customThe methanol was removed under vacuum at 23° C.
  2. dissolutionthe residue was dissolved in 100 ml of ice water
  3. customThe solid precipitate was collected
  4. washwashed with water
  5. customtriturated several times with ethanol
  6. customThe remaining solid was dried overnight in vacuo at 67° C.

출처 및 근거

ORD 기록
ord-b329b7b11ee34d3c9679794b347d968c
출처 데이터셋
uspto-grants-1985_07
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US04532240

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