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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 348986
ノート
印刷プレビュー

反応式

HRID 348986 の反応式
[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]
参加物実験手順後処理出典と根拠反応ノート

参加物

6

反応物 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

生成物 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
収率 7%

試薬・触媒・溶媒 1

HCID 6344Dichloromethane溶媒3 回

実験手順

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]+.

後処理

  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)

出典と根拠

ORDレコード
ord-4647d367d96b492ea1c35d94b11ea251
出典データセット
uspto-grants-2007_02
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07176242B2

反応ノート

読み込み中…

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