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Ethyl Acetate → HCID 10279786, 화합물

HRID 2396260
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HRID 2396260 반응식
[CH:1]([C:4]1[CH:11]=[C:10]([CH:12]([CH3:14])[CH3:13])[CH:9]=[C:8]([CH:15]([CH3:17])[CH3:16])[C:5]=1[CH2:6]Br)([CH3:3])[CH3:2].[CH:18]([C:21]1[CH:33]=[CH:32][CH:31]=[C:30]([CH:34]([CH3:36])[CH3:35])[C:22]=1[O:23][S:24]([N:27]=C=O)(=[O:26])=[O:25])([CH3:20])[CH3:19].[NH4+].[Cl-].C[CH2:40][O:41]C(C)=O>C1COCC1>[CH3:2][CH:1]([C:4]1[CH:11]=[C:10]([CH:12]([CH3:14])[CH3:13])[CH:9]=[C:8]([CH:15]([CH3:17])[CH3:16])[C:5]=1[CH2:6][C:40]([C:33]1[C:21]([CH:18]([CH3:19])[CH3:20])=[C:22]([O:23][S:24](=[O:25])(=[O:26])[NH2:27])[C:30]([CH:34]([CH3:35])[CH3:36])=[CH:31][CH:32]=1)=[O:41])[CH3:3]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

6

반응물 4

HCID 8857Ethyl AcetateHCID 25517Ammonium ChlorideHCID 10590086HCID 10590086, 화합물HCID 106367162,6-Diisopropylphenoxysulfonyl isocyanate

생성물 1

HCID 10279786HCID 10279786, 화합물수율 67%

시약·촉매·용매 1

HCID 8028Tetrahydrofuran
용매
2회

실험 절차

A solution of 2,4,6 - triisopropylbenzyl bromide (12 g, 40.4 mmol) in dry THF (160 mL) was added to a suspension of Mg powder (1.96 g, 80.8 mmol) (4hours) in THF (20 mL) heated under reflux. 2,6-Diisopropylphenoxysulfonyl isocyanate (ROSO2NCO) (see Phos. and Sulf., 19:167 (1984) for preparation) (11.45 g, 40.4 mmol) was added neat, and after the addition was completed, the reflux was continued for another 2 hours. The reaction was stirred at room temperature for 16 hours. Saturated NH4Cl and EtOAc were added. The EtOAc layer was separated, dried over MgSO4, filtered, and evaporated to dryness. After purification by column chromatography (4:1 hexane:EtOAc), the compound was isolated as white solid (13.5 g, 67%), mp 178°-180° C.

후처리

  1. temperatureheated
  2. temperatureunder reflux
  3. additionafter the addition
  4. customThe EtOAc layer was separated
  5. dry with materialdried over MgSO4
  6. filtrationfiltered
  7. customevaporated to dryness
  8. customAfter purification by column chromatography (4:1 hexane:EtOAc)

출처 및 근거

ORD 기록
ord-898a7081a5bf4069ba210bb5a2d32642
출처 데이터셋
uspto-grants-1996_02
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US05491172

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