Hydrochloric Acid → HCID 19930842, 화합물

HRID 5411노트

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HRID 5411 반응식
[O:1]=[C:2]1[CH:15]([C:16]([O:18]CC)=[O:17])[CH2:14][CH2:13][CH2:12][CH2:11][CH2:10][CH2:9][CH2:8][CH2:7][CH2:6][CH2:5][CH:4]([C:21]([O:23]CC)=[O:22])[NH:3]1.[OH-].[Na+].Cl>C(O)C>[O:1]=[C:2]1[CH:15]([C:16]([OH:18])=[O:17])[CH2:14][CH2:13][CH2:12][CH2:11][CH2:10][CH2:9][CH2:8][CH2:7][CH2:6][CH2:5][CH:4]([C:21]([OH:23])=[O:22])[NH:3]1

참가 물질

5

실험 절차

Diethyl 2-oxo-1-azacyclotetradecane-3,14-dicarboxylate (1.14 g, 3.2 mmol; mixture of both diastereomers) is dissolved in ethanol (32.0 mL). Sodium hydroxide (9.6 mL of a 1N aqueous solution, 9.6 mmol) is added dropwise, and the solution is stirred at room temperature for 3 hours. The reaction is then acidified to pH 3 with 1N hydrochloric acid, and partitioned between ethyl acetate and water. The aqueous phase is extracted several times with ethyl acetate, the combined organic layers are dried (Na2SO4), and the solvent is evaporated to give both diastereomers of 2-oxo-1-azacyclotetradecane-3,14-dicarboxylic acid.

후처리

  1. additionmixture of both diastereomers)
  2. custompartitioned between ethyl acetate and water
  3. extractionThe aqueous phase is extracted several times with ethyl acetate
  4. dry with materialthe combined organic layers are dried (Na2SO4)
  5. customthe solvent is evaporated

출처 및 근거

ORD 기록
ord-951c6a1597cb49a28e3182feddd4d406
출처 데이터셋
uspto-grants-1993_09
특허 번호
US05244889

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