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Lithium borohydride → (2-{[(4-Cyano-2-hydroxymethyl-benzyl)-(3-methyl-pyridin-2-ylmethyl)-amino]-methyl}-pyridin-3-yl)-carbamic acid tert-butyl ester

HRID 1592646
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HRID 1592646 반응식
C[O:2][C:3](=O)[C:4]1[CH:9]=[C:8]([C:10]#[N:11])[CH:7]=[CH:6][C:5]=1[CH2:12][N:13]([CH2:22][C:23]1[C:28]([NH:29][C:30]([O:32][C:33]([CH3:36])([CH3:35])[CH3:34])=[O:31])=[CH:27][CH:26]=[CH:25][N:24]=1)[CH2:14][C:15]1[C:20]([CH3:21])=[CH:19][CH:18]=[CH:17][N:16]=1.[Li+].[BH4-]>CO>[C:33]([O:32][C:30](=[O:31])[NH:29][C:28]1[C:23]([CH2:22][N:13]([CH2:12][C:5]2[CH:6]=[CH:7][C:8]([C:10]#[N:11])=[CH:9][C:4]=2[CH2:3][OH:2])[CH2:14][C:15]2[C:20]([CH3:21])=[CH:19][CH:18]=[CH:17][N:16]=2)=[N:24][CH:25]=[CH:26][CH:27]=1)([CH3:36])([CH3:34])[CH3:35]
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참가 물질

4

반응물 2

HCID 4148881Lithium borohydrideHCID 672728132-{[(3-tert-Butoxycarbonylamino-pyridin-2-ylmethyl)-(3-methyl-pyridin-2-ylmethyl)-amino]-methyl}-5-cyano-benzoic acid methyl ester

생성물 1

HCID 67272411(2-{[(4-Cyano-2-hydroxymethyl-benzyl)-(3-methyl-pyridin-2-ylmethyl)-amino]-methyl}-pyridin-3-yl)-carbamic acid tert-butyl ester수율 98.7%

시약·촉매·용매 1

HCID 887Methanol용매

실험 절차

To a cold (0° C.) solution of 2-{[(3-tert-Butoxycarbonylamino-pyridin-2-ylmethyl)-(3-methyl-pyridin-2-ylmethyl)-amino]-methyl}-5-cyano-benzoic acid methyl ester (0.388 g, 0.77 mmol) in MeOH (7 mL) was added LiBH4 (107 mg, 4.91 mmol) and the mixture was allowed to warm to room temperature overnight. The mixture was concentrated and the residue was partitioned between CH2Cl2 (50 mL) and 1.0 N NaOH (15 mL). The phases were separated and the aqueous phase was extracted with CH2Cl2 (3×15 mL). The combined organic extracts were dried (Na2SO4) and concentrated and provided 0.36 g of (2-{[(4-Cyano-2-hydroxymethyl-benzyl)-(3-methyl-pyridin-2-ylmethyl)-amino]-methyl}-pyridin-3-yl)-carbamic acid tert-butyl ester as a white solid, which was used without further purification.

후처리

  1. concentrationThe mixture was concentrated
  2. customthe residue was partitioned between CH2Cl2 (50 mL) and 1.0 N NaOH (15 mL)
  3. customThe phases were separated
  4. extractionthe aqueous phase was extracted with CH2Cl2 (3×15 mL)
  5. dry with materialThe combined organic extracts were dried (Na2SO4)
  6. concentrationconcentrated

출처 및 근거

ORD 기록
ord-918be09755cb4b6db075294f19becc5f
출처 데이터셋
uspto-grants-2007_11
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07291631B2

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