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Dimethyl Disulfide → Dimethyl-(5-methylsulfanyl-2-triisopropylsilanyl-2,7,8,9-tetrahydro-6-oxa-2-azabenzo[cd]-azulen-8-yl)amine

HRID 25338
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인쇄 미리보기

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HRID 25338 반응식
Br[C:2]1[O:11][CH2:10][C:9]2[CH:8]([N:12]([CH3:14])[CH3:13])[CH2:7][C:6]3=[CH:15][N:16]([Si:18]([CH:25]([CH3:27])[CH3:26])([CH:22]([CH3:24])[CH3:23])[CH:19]([CH3:21])[CH3:20])[CH:17]=[C:4]([C:5]=23)[CH:3]=1.[Li]CCCC.[CH3:33][S:34]SC>O1CCCC1.[Cl-].[NH4+]>[CH3:14][N:12]([CH3:13])[CH:8]1[C:9]2[CH2:10][O:11][C:2]([S:34][CH3:33])=[CH:3][C:4]3=[CH:17][N:16]([Si:18]([CH:22]([CH3:24])[CH3:23])([CH:25]([CH3:27])[CH3:26])[CH:19]([CH3:20])[CH3:21])[CH:15]=[C:6]([C:5]=23)[CH2:7]1
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참가 물질

6

반응물 3

HCID 12232Dimethyl DisulfideHCID 69736345(5-Bromo-2-triisopropylsilanyl-2,7,8,9-tetrahydro-6-oxa-2-azabenzo[cd]azulen-8-yl)dimethylamineHCID 178418339Butyllithium

생성물 1

HCID 69736433Dimethyl-(5-methylsulfanyl-2-triisopropylsilanyl-2,7,8,9-tetrahydro-6-oxa-2-azabenzo[cd]-azulen-8-yl)amine수율 69%

시약·촉매·용매 2

HCID 8028
Tetrahydrofuran
용매
HCID 25517Ammonium Chloride용매

실험 절차

A solution of compound (42) 451 mg in dry tetrahydrofuran 5 ml was cooled at −70° C. n-BuLi (1.56 mol/l hexane solution) 1.3 ml was added dropwise to the solution and the mixture was stirred for 1 h. Then, dimethyldisulfide 185 μl was added and the mixture was stirred for 2 h. The reaction mixtures was diluted with an aqueous ammonium chloride solution and extracted with ethyl acetate. The extracts were washed with brine, dried over anhydrous magnesium sulfate and concentrated under reduced pressure. The residue obtained was chromatographed on aluminum oxide in ethyl acetate:hexane (1:5) to give the titled compound as colorless crystals, 289.8 mg. Yield 69%. This was recrystallized from hexane to give the titled compound as colorless crystals, m.p. 77-79° C.

후처리

  1. additionwas added dropwise to the solution
  2. stirringthe mixture was stirred for 2 h
  3. customThe reaction mixtures
  4. extractionextracted with ethyl acetate
  5. washThe extracts were washed with brine
  6. dry with materialdried over anhydrous magnesium sulfate
  7. concentrationconcentrated under reduced pressure
  8. customThe residue obtained
  9. customwas chromatographed on aluminum oxide in ethyl acetate:hexane (1:5)

출처 및 근거

ORD 기록
ord-88856aa7067d48b783d67b38e16f531d
출처 데이터셋
uspto-grants-2005_02
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US06858640B2

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