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Hydrochloric Acid → 10-tert-Butoxycarbonylamino-3-(2-methyl-pyrimidin-5-yl)-dec-4-enoic acid ethyl ester

HRID 860095
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HRID 860095 반응식
[C:1]([O:5][C:6](=[O:24])[NH:7][CH2:8][CH2:9][CH2:10][CH2:11][CH2:12][CH:13](O)[CH:14]=[CH:15][C:16]1[CH:17]=[N:18][C:19]([CH3:22])=[N:20][CH:21]=1)([CH3:4])([CH3:3])[CH3:2].C(O)(=O)CC.Cl.[C:31](OCC)([O:36]CC)([O:33][CH2:34][CH3:35])[CH3:32]>[Cl-].[Na+].O>[CH2:34]([O:33][C:31](=[O:36])[CH2:32][CH:15]([C:16]1[CH:17]=[N:18][C:19]([CH3:22])=[N:20][CH:21]=1)[CH:14]=[CH:13][CH2:12][CH2:11][CH2:10][CH2:9][CH2:8][NH:7][C:6]([O:5][C:1]([CH3:4])([CH3:3])[CH3:2])=[O:24])[CH3:35]
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참가 물질

6

반응물 4

HCID 313Hydrochloric AcidHCID 1032Propionic AcidHCID 66221Triethyl orthoacetateHCID 73687171[6-Hydroxy-8-(2-methyl-pyrimidin-5-yl)-oct-7-enyl]-carbamic acid tert-butyl ester

생성물 1

HCID 6966645410-tert-Butoxycarbonylamino-3-(2-methyl-pyrimidin-5-yl)-dec-4-enoic acid ethyl ester

시약·촉매·용매 1

HCID 57417360
Sodium chloride; water
용매

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온도
150 °C

실험 절차

A solution of 24-4 (1.00 g, 2.98 mmol) in triethyl orthoacetate (50 mL) was treated with propionic acid (2.5 mg, 0.034 mmol) and heated to 150° C. for 3 h. The reaction mixture was cooled to room temperature and treated with 1 N HCl and brine (75 mL each). The mixture was extracted with two portions of ethyl acetate. The combined organics were washed with brine and dried (Na2SO4). Purification via PCTLC (SiO2, 4 mm, 10% EtOH; 90% CH2Cl2) afforded 24-5 (650 mg).

후처리

  1. temperatureThe reaction mixture was cooled to room temperature
  2. extractionThe mixture was extracted with two portions of ethyl acetate
  3. washThe combined organics were washed with brine
  4. dry with materialdried (Na2SO4)
  5. customPurification via PCTLC (SiO2, 4 mm, 10% EtOH; 90% CH2Cl2)

출처 및 근거

ORD 기록
ord-dd95499552944caba5e9f930125ba7e1
출처 데이터셋
uspto-grants-2006_12
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07153862B2

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