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Hydrochloric Acid → Ethyl 2-[3-(methylamino)phenyl]acetate

HRID 1760020
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HRID 1760020 반응식
B.CSC.[CH2:5]([O:7][C:8](=[O:19])[CH2:9][C:10]1[CH:15]=[CH:14][CH:13]=[C:12]([NH:16][CH:17]=O)[CH:11]=1)[CH3:6].Cl>C1COCC1>[CH2:5]([O:7][C:8](=[O:19])[CH2:9][C:10]1[CH:15]=[CH:14][CH:13]=[C:12]([NH:16][CH3:17])[CH:11]=1)[CH3:6]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 3

HCID 313Hydrochloric AcidHCID 12423031(Dimethyl sulfide)trihydroboronHCID 542316283-(Formylamino)phenylacetic acid ethyl ester

생성물 1

HCID 23333594Ethyl 2-[3-(methylamino)phenyl]acetate수율 78%

시약·촉매·용매 1

HCID 8028Tetrahydrofuran용매

실험 절차

A solution of borane-dimethylsulphide complex (2M in THF; 20 mL) was added to an ice cold solution of 3-(formylamino)phenylacetic acid ethyl ester (4.1 g; 0.02 mol; from step (i) above) in THF (dry; 100 mL) and the reaction mixture was stirred for 1 hour. The resultant solution was poured onto diluted HCl and the mixture left for 15 minutes, whereafter it was washed with ether to remove unreacted material. The aqueous solution was made alkaline (NaHCO3) and extracted with ether (3 times). The combined organic phases were washed with water, dried (Na2SO4) and evaporated to yield 3.0 g (78%) of the sub-title compound.

후처리

  1. waitthe mixture left for 15 minutes, whereafter it
  2. washwas washed with ether
  3. customto remove unreacted material
  4. extractionextracted with ether (3 times)
  5. washThe combined organic phases were washed with water
  6. dry with materialdried (Na2SO4)
  7. customevaporated

출처 및 근거

ORD 기록
ord-ca4dce8efb6a4192a071df1b888e3b05
출처 데이터셋
uspto-grants-2005_01
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US06838478B2

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