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Water → (11S)-11-Methyl-2-(prop-2-ynyloxy)-10,11-dihydro-8H-[1,4]oxazino[4',3':1,2]imidazo[4,5-c]quinolin-6-amine

HRID 221611
ノート
印刷プレビュー

反応式

HRID 221611 の反応式
[NH2:1][C:2]1[C:11]2[N:12]=[C:13]3[CH2:18][O:17][CH2:16][C@H:15]([CH3:19])[N:14]3[C:10]=2[C:9]2[C:4](=[CH:5][CH:6]=[C:7]([OH:20])[CH:8]=2)[N:3]=1.C(=O)([O-])[O-].[Cs+].[Cs+].[CH2:27](Br)[C:28]#[CH:29].O>CN(C=O)C>[CH3:19][C@@H:15]1[N:14]2[C:10]3[C:9]4[C:4](=[CH:5][CH:6]=[C:7]([O:20][CH2:29][C:28]#[CH:27])[CH:8]=4)[N:3]=[C:2]([NH2:1])[C:11]=3[N:12]=[C:13]2[CH2:18][O:17][CH2:16]1
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 962WaterHCID 7842Propargyl bromideHCID 10796Cesium carbonateHCID 58406167(11S)-6-amino-11-methyl-10,11-dihydro-8H-[1,4]oxazino[4',3':1,2]imidazo[4,5-c]quinolin-2-ol

生成物 1

HCID 58406170(11S)-11-Methyl-2-(prop-2-ynyloxy)-10,11-dihydro-8H-[1,4]oxazino[4',3':1,2]imidazo[4,5-c]quinolin-6-amine収率 44.7%

試薬・触媒・溶媒 1

HCID 6228Dimethylformamide溶媒

実験手順

A solution of (11S)-6-amino-11-methyl-10,11-dihydro-8H-[1,4]oxazino[4′,3′:1,2]imidazo[4,5-c]quinolin-2-ol (100 mg, 0.370 mmol) dissolved in 15 mL of DMF was treated with cesium carbonate (241 mg, 0.740 mmol) and propargyl bromide (49 mg, 0.410 mmol) and stirred overnight at ambient temperature. The dark brown mixture was then poured into 150 mL of H2O and stirred for 30 minutes. The mixture was filtered to give a dark brown solid. Chromatography (SiO2, 0-30% CMA/CHCl3) followed by crystallization from ethyl acetate gave 51 mg of the title compound as an off-white solid, mp 184-186° C.

後処理

  1. stirringstirred for 30 minutes
  2. filtrationThe mixture was filtered
  3. customto give a dark brown solid
  4. customChromatography (SiO2, 0-30% CMA/CHCl3) followed by crystallization from ethyl acetate

出典と根拠

ORDレコード
ord-0fcce50839d4485c92ad917f4080c12d
出典データセット
uspto-grants-2012_06
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08207162B2

反応ノート

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