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

HRID 14220
ノート
印刷プレビュー

反応式

HRID 14220 の反応式
[CH2:1]([N:5]1[C:10]2[CH:11]=[C:12]([C:15]([OH:17])=O)[CH:13]=[CH:14][C:9]=2[O:8][CH2:7][CH2:6]1)[CH2:2][CH2:3][CH3:4].CN(C(ON1N=NC2C=CC=NC1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F.C1C=CC2N(O)N=NC=2C=1.C(N(C(C)C)CC)(C)C.Cl.Cl.[NH2:63][C@@H:64]([CH2:78][C:79]1[CH:84]=[C:83]([F:85])[CH:82]=[C:81]([F:86])[CH:80]=1)[C@H:65]([OH:77])[CH2:66][NH:67][CH2:68][C:69]1[CH:74]=[CH:73][CH:72]=[C:71]([CH2:75][CH3:76])[CH:70]=1>C(Cl)Cl>[CH2:1]([N:5]1[C:10]2[CH:11]=[C:12]([C:15]([NH:63][C@@H:64]([CH2:78][C:79]3[CH:80]=[C:81]([F:86])[CH:82]=[C:83]([F:85])[CH:84]=3)[C@H:65]([OH:77])[CH2:66][NH:67][CH2:68][C:69]3[CH:74]=[CH:73][CH:72]=[C:71]([CH2:75][CH3:76])[CH:70]=3)=[O:17])[CH:13]=[CH:14][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

7

反応物 5

HCID 757711-HydroxybenzotriazoleHCID 81531Diisopropylethylamine2 回HCID 9886157Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 210859294-Butyl-3,4-dihydro-2H-1,4-benzoxazine-6-carboxylic acidHCID 57487281(2R,3S)-3-amino-4-(3,5-difluorophenyl)-1-[(3-ethylbenzyl)amino]butan-2-ol dihydrochloride

生成物

1
HCID 575126124-Butyl-N-{(1S,2R)-1-(3,5-difluorobenzyl)-3-[(3-ethylbenzyl)amino]-2-hydroxypropyl}-3,4-dihydro-2H-1,4-benzoxazine-6-carboxamide収率 17.9%

試薬・触媒・溶媒 1

HCID 6344Dichloromethane溶媒3 回

実験手順

A solution of 4-Butyl-3,4-dihydro-2H-1,4-benzoxazine-6-carboxylic acid (43 mg), HATU (104 mg), HOBt (37 mg), and diisopropylethylamine (47 μL) was stirred in methylene chloride (1.0 mL) for 15 min. A solution of (2R,3S)-3-amino-4-(3,5-difluorophenyl)-1-[(3-ethylbenzyl)amino]butan-2-ol dihydrochloride (62 mg) and diisopropylethylamine (47 μL) in methylene chloride (1.0 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 15 mg of the title compound: APCI MS m/z 552 [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-5d6a6c6cca1646529a2c270e412a85e8
出典データセット
uspto-grants-2010_06
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07727997B2

反応ノート

読み込み中…

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