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(R)-3-Methylmorpholine → (6S)-8-benzyl-6-methyl-3-[(3R)-3-methylmorpholin-4-yl]-6,7,8,9-tetrahydropyrazino[2,3-f][1,4]oxazepine

HRID 518044
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HRID 518044 반응식
[CH2:1]([N:8]1[CH2:14][C:13]2[N:15]=[CH:16][C:17](Cl)=[N:18][C:12]=2[O:11][C@@H:10]([CH3:20])[CH2:9]1)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.[CH3:21][C@@H:22]1[CH2:27][O:26][CH2:25][CH2:24][NH:23]1.CC(C1C=C(C(C)C)C(C2C=CC=CC=2P(C2CCCCC2)C2CCCCC2)=C(C(C)C)C=1)C.CC(C)([O-])C.[Na+]>C1(C)C=CC=CC=1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.[Pd].[Pd].O>[CH2:1]([N:8]1[CH2:14][C:13]2[N:15]=[CH:16][C:17]([N:23]3[CH2:24][CH2:25][O:26][CH2:27][C@H:22]3[CH3:21])=[N:18][C:12]=2[O:11][C@@H:10]([CH3:20])[CH2:9]1)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1
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참가 물질

8

반응물 4

HCID 641498(R)-3-MethylmorpholineHCID 111557942-Dicyclohexylphosphino-2',4',6'-triisoprophylbiphenylHCID 23676156Sodium t-butoxideHCID 86648983(6S)-8-benzyl-3-chloro-6-methyl-6,7,8,9-tetrahydropyrazino[2,3-f][1,4]oxazepine

생성물 1

HCID 66993096(6S)-8-benzyl-6-methyl-3-[(3R)-3-methylmorpholin-4-yl]-6,7,8,9-tetrahydropyrazino[2,3-f][1,4]oxazepine
수율 61%

시약·촉매·용매 3

HCID 9811564Bis(dibenzylideneacetone)palladium촉매HCID 962Water용매HCID 1140Toluene용매

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온도
100 °C

실험 절차

A suspension of (6S)-8-benzyl-3-chloro-6-methyl-6,7,8,9-tetrahydropyrazino[2,3-f][1,4]oxazepine (313 mg), (3R)-3-methylmorpholine (164 mg), Pd2(dba)3 (30 mg), XPhos (62 mg) and sodium tert-butoxide (208 mg) in toluene (5 mL) was stirred under an argon atmosphere with heating at 100° C. for 3 hr. Water was added to the reaction mixture, the aqueous layer was extracted with ethyl acetate, and the organic layer was washed with saturated brine, dried over anhydrous magnesium sulfate, and concentrated under reduced pressure. The obtained residue was purified by basic silica gel column chromatography (solvent gradient: 9-*50% ethyl acetate/hexane) to give the title compound (233 mg, 61%) as a pale-yellow oil.

후처리

  1. extractionthe aqueous layer was extracted with ethyl acetate
  2. washthe organic layer was washed with saturated brine
  3. dry with materialdried over anhydrous magnesium sulfate
  4. concentrationconcentrated under reduced pressure
  5. customThe obtained residue was purified by basic silica gel column chromatography (solvent gradient: 9-*50% ethyl acetate/hexane)

출처 및 근거

ORD 기록
ord-a9f6d33dc4b044299ee7cc3f524d1613
출처 데이터셋
uspto-grants-2015_08
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09115139B2

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