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Dimethylformamide → (R)-(4-(4-chlorophthalazin-1-yl)-3-methylpiperazin-1-yl)(4,4-difluorocyclohexyl)methanone

HRID 1689976
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HRID 1689976 반응식
[F:1][C:2]1([F:11])[CH2:7][CH2:6][CH:5]([C:8]([OH:10])=O)[CH2:4][CH2:3]1.O=C1N(P(Cl)(N2CCOC2=O)=O)CCO1.CN(C=O)C.[Cl:32][C:33]1[C:42]2[C:37](=[CH:38][CH:39]=[CH:40][CH:41]=2)[C:36]([N:43]2[CH2:48][CH2:47][NH:46][CH2:45][C@H:44]2[CH3:49])=[N:35][N:34]=1>C(OCC)(=O)C.C(N(CC)CC)C>[Cl:32][C:33]1[C:42]2[C:37](=[CH:38][CH:39]=[CH:40][CH:41]=2)[C:36]([N:43]2[CH2:48][CH2:47][N:46]([C:8]([CH:5]3[CH2:4][CH2:3][C:2]([F:1])([F:11])[CH2:7][CH2:6]3)=[O:10])[CH2:45][C@H:44]2[CH3:49])=[N:35][N:34]=1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

7

반응물 4

HCID 6228DimethylformamideHCID 152842Bis(2-oxo-3-oxazolidinyl)phosphinic chlorideHCID 27791364,4-Difluorocyclohexanecarboxylic acidHCID 57581473(R)-1-chloro-4-(2-methylpiperazin-1-yl)phthalazine

생성물 1

HCID 57581526(R)-(4-(4-chlorophthalazin-1-yl)-3-methylpiperazin-1-yl)(4,4-difluorocyclohexyl)methanone

시약·촉매·용매 2

HCID 8471
Triethylamine
용매
HCID 8857Ethyl Acetate용매

실험 절차

4,4-difluorocyclohexanecarboxylic acid (386 mg, 2.35 mmol) and bis(2-oxo-3-oxazolidinyl)phosphinic chloride (624 mg, 2.45 mmol), DMF (4 mL), and triethylamine (0.57 mL) were stirred at RT for 2 minutes. (R)-1-chloro-4-(2-methylpiperazin-1-yl)phthalazine (JK-2) (537 mg, 2.04 mmol) was added and the reaction stirred at rt for 24 hours. The reaction was then taken up in ethyl acetate (80 mL), washed with aqueous K2CO3 (10%), water, and then saturated sodium chloride. The organics were dried (MgSO4) and evaporated to give a brown oil. Chromatography over silica gel with a gradient of hexanes/0-70% ethyl acetate gave an off-white solid, JK-27. MS (M+H)+=409.1

후처리

  1. washwashed with aqueous K2CO3 (10%), water
  2. dry with materialThe organics were dried (MgSO4)
  3. customevaporated
  4. customto give a brown oil

출처 및 근거

ORD 기록
ord-1245ce1632f943169786b7a0077996c3
출처 데이터셋
uspto-grants-2012_04
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08153633B2

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