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1,2-Dimethoxyethane → tert-butyl (2S)-2,7-dimethyl-8-(1-methylethyl)-2,3-dihydrothieno[2,3-f][1,4]oxazepine-4(5H)-carboxylate

HRID 1404996
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HRID 1404996 반응식
Br[C:2]1[S:19][C:5]2[CH2:6][N:7]([C:12]([O:14][C:15]([CH3:18])([CH3:17])[CH3:16])=[O:13])[CH2:8][C@H:9]([CH3:11])[O:10][C:4]=2[C:3]=1[CH:20]([CH3:22])[CH3:21].[CH3:23]B(O)O.P([O-])([O-])([O-])=O.[K+].[K+].[K+].COCCOC>C1C=CC([P]([Pd]([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)[P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1.O>[CH3:11][C@H:9]1[CH2:8][N:7]([C:12]([O:14][C:15]([CH3:18])([CH3:17])[CH3:16])=[O:13])[CH2:6][C:5]2[S:19][C:2]([CH3:23])=[C:3]([CH:20]([CH3:22])[CH3:21])[C:4]=2[O:10]1
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참가 물질

7

반응물 4

HCID 80711,2-DimethoxyethaneHCID 62657Potassium Phosphate, TribasicHCID 139377Methylboronic AcidHCID 86668492tert-butyl (2S)-7-bromo-2-methyl-8-(1-methylethyl)-2,3-dihydrothieno[2,3-f][1,4]oxazepine-4(5H)-carboxylate

생성물 1

HCID 86668494tert-butyl (2S)-2,7-dimethyl-8-(1-methylethyl)-2,3-dihydrothieno[2,3-f][1,4]oxazepine-4(5H)-carboxylate수율 93%

시약·촉매·용매 2

HCID 178418397HCID 178418397, 화합물촉매HCID 962Water용매

실험 절차

A solution of tert-butyl (2S)-7-bromo-2-methyl-8-(1-methylethyl)-2,3-dihydrothieno[2,3-f][1,4]oxazepine-4(5H)-carboxylate (400 mg), methylboronic acid (245 mg), potassium phosphate (870 mg), tetrakis(triphenylphosphine)palladium (118 mg) and DME (6 mL) was stirred at 80° C. for 16 hr, the reaction mixture was poured into water, and the mixture was extracted with ethyl acetate. The extract was washed with saturated brine, and dried over anhydrous magnesium sulfate, and the solvent was evaporated under reduced pressure. The residue was purified by silica gel column chromatography (solvent gradient; 3→7% ethyl acetate/hexane) to give the title compound (310 mg, 93%) as a solid.

후처리

  1. extractionthe mixture was extracted with ethyl acetate
  2. washThe extract was washed with saturated brine
  3. dry with materialdried over anhydrous magnesium sulfate
  4. customthe solvent was evaporated under reduced pressure
  5. customThe residue was purified by silica gel column chromatography (solvent gradient; 3→7% ethyl acetate/hexane)

출처 및 근거

ORD 기록
ord-2af2b8fc6f4b4d19b6b6b702358741bb
출처 데이터셋
uspto-grants-2014_12
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08916549B2

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