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Diisopropylethylamine → 4-Butyl-8-cyano-N-{(1S,2R)-1-(3,5-difluorobenzyl)-3-[(3-ethylbenzyl)amino]-2-hydroxypropyl)-3,4-dihydro-2H-1,4-benzoxazine-6-carboxamide

HRID 14196
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HRID 14196 반응식
[CH2:1]([N:5]1[C:10]2[CH:11]=[C:12]([C:17]([OH:19])=O)[CH:13]=[C:14]([C:15]#[N:16])[C:9]=2[O:8][CH2:7][CH2:6]1)[CH2:2][CH2:3][CH3:4].CN(C(ON1N=NC2C=CC=CC1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F.C(N(C(C)C)CC)(C)C.[NH2:53][C@@H:54]([CH2:68][C:69]1[CH:74]=[C:73]([F:75])[CH:72]=[C:71]([F:76])[CH:70]=1)[C@H:55]([OH:67])[CH2:56][NH:57][CH2:58][C:59]1[CH:64]=[CH:63][CH:62]=[C:61]([CH2:65][CH3:66])[CH:60]=1>C(Cl)Cl>[CH2:1]([N:5]1[C:10]2[CH:11]=[C:12]([C:17]([NH:53][C@@H:54]([CH2:68][C:69]3[CH:70]=[C:71]([F:76])[CH:72]=[C:73]([F:75])[CH:74]=3)[C@H:55]([OH:67])[CH2:56][NH:57][CH2:58][C:59]3[CH:64]=[CH:63][CH:62]=[C:61]([CH2:65][CH3:66])[CH:60]=3)=[O:19])[CH:13]=[C:14]([C:15]#[N:16])[C:9]=2[O:8][CH2:7][CH2:6]1)[CH2:2][CH2:3][CH3:4]
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참가 물질

6

반응물 4

HCID 81531DiisopropylethylamineHCID 2733084Methanaminium, N-((1H-benzotriazol-1-yloxy)(dimethylamino)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 210859314-Butyl-8-cyano-3,4-dihydro-2H-1,4-benzoxazine-6-carboxylic acidHCID 57487282(2R,3S)-3-amino-4-(3,5-difluorophenyl)-1-[(3-ethylbenzyl)amino]butan-2-ol

생성물 1

HCID 57508247
4-Butyl-8-cyano-N-{(1S,2R)-1-(3,5-difluorobenzyl)-3-[(3-ethylbenzyl)amino]-2-hydroxypropyl)-3,4-dihydro-2H-1,4-benzoxazine-6-carboxamide
수율 7%

시약·촉매·용매 1

HCID 6344Dichloromethane용매3회

실험 절차

A solution of 4-Butyl-8-cyano-3,4-dihydro-2H-1,4-benzoxazine-6-carboxylic acid (129 mg), HBTU (284 mg), and diisopropylethylamine (0.26 mL) was stirred in methylene chloride (6 mL) for 15 min. A solution of (2R,3S)-3-amino-4-(3,5-difluorophenyl)-1-[(3-ethylbenzyl)amino]butan-2-ol (204 mg) in methylene chloride (4 mL) was added and the reaction mixture was stirred overnight. The mixture was diluted with methylene chloride, washed with 1 N hydrochloric acid (15 mL), saturated sodium bicarbonate (15 mL), and brine, dried (magnesium sulfate), filtered, and concentrated under reduced pressure. Purification by flash column chromatography (silica, 1:9 methanol/chloroform) provided 20 mg of the title compound: ESI MS m/z 577 [M+H]+.

후처리

  1. washwashed with 1 N hydrochloric acid (15 mL), saturated sodium bicarbonate (15 mL), and brine
  2. dry with materialdried (magnesium sulfate)
  3. filtrationfiltered
  4. concentrationconcentrated under reduced pressure
  5. customPurification by flash column chromatography (silica, 1:9 methanol/chloroform)

출처 및 근거

ORD 기록
ord-da73f9206b98496298a4943275c0736f
출처 데이터셋
uspto-grants-2010_06
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07727997B2

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