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1-Ethyl-3-(3'-dimethylaminopropyl)carbodiimide → (2E)-3-(5-{[(3R)-1-cyclohexyl-3-piperidinyl]amino}-2-pyrazinyl)-N-(tetrahydro-2H-pyran-2-yloxy)acrylamide

HRID 2376049
ノート
印刷プレビュー

反応式

HRID 2376049 の反応式
[CH:1]1([N:7]2[CH2:12][CH2:11][CH2:10][C@@H:9]([NH:13][C:14]3[N:15]=[CH:16][C:17](/[CH:20]=[CH:21]/[C:22]([OH:24])=O)=[N:18][CH:19]=3)[CH2:8]2)[CH2:6][CH2:5][CH2:4][CH2:3][CH2:2]1.[O:25]1[CH2:30][CH2:29][CH2:28][CH2:27][CH:26]1[O:31][NH2:32].CCN=C=NCCCN(C)C>CN(C=O)C.C1C=CC2N(O)N=NC=2C=1>[CH:1]1([N:7]2[CH2:12][CH2:11][CH2:10][C@@H:9]([NH:13][C:14]3[N:15]=[CH:16][C:17](/[CH:20]=[CH:21]/[C:22]([NH:32][O:31][CH:26]4[CH2:27][CH2:28][CH2:29][CH2:30][O:25]4)=[O:24])=[N:18][CH:19]=3)[CH2:8]2)[CH2:2][CH2:3][CH2:4][CH2:5][CH2:6]1
参加物反応条件実験手順後処理出典と根拠反応ノート

参加物

6

反応物 3

HCID 159081-Ethyl-3-(3'-dimethylaminopropyl)carbodiimideHCID 5142091O-(Tetrahydropyran-2-yl)hydroxylamineHCID 68964465(2E)-3-(5-{[(3R)-1-cyclohexyl-3-piperidinyl]amino}-2-pyrazinyl)acrylic acid

生成物 1

HCID 86603671(2E)-3-(5-{[(3R)-1-cyclohexyl-3-piperidinyl]amino}-2-pyrazinyl)-N-(tetrahydro-2H-pyran-2-yloxy)acrylamide収率 72.9%

試薬・触媒・溶媒 2

HCID 75771
1-Hydroxybenzotriazole
触媒
HCID 6228Dimethylformamide溶媒

反応条件

温度
0 °C

実験手順

A mixture of (2E)-3-(5-{[(3R)-1-cyclohexyl-3-piperidinyl]amino}-2-pyrazinyl)acrylic acid (209 mg), O-(tetrahydro-2H-pyran-2-yl)-hydroxylamine (89 mg), HOBt (111 μg) and EDCI (158 mg) in DMF (4.5 mL) was stirred at 0° C. for 1 hr and the mixture was stirred at ambient temperature for 18 hrs. The reaction mixture was evaporated in vacuo and the residue was partitioned between saturated sodium bicarbonate solution and EtOAc. The organic layer was separated, washed water and brine, dried over magnesium sulfate, and evaporated in vacuo. The residue was purified by silica gel column chromatography (chloroform-MeOH=95-5) to give (2E)-3-(5-{[(3R)-1-cyclohexyl-3-piperidinyl]amino}-2-pyrazinyl)-N-(tetrahydro-2H-pyran-2-yloxy)acrylamide (198 mg) as an amorphous powder.

後処理

  1. stirringthe mixture was stirred at ambient temperature for 18 hrs
  2. customThe reaction mixture was evaporated in vacuo
  3. customthe residue was partitioned between saturated sodium bicarbonate solution and EtOAc
  4. customThe organic layer was separated
  5. washwashed water and brine
  6. dry with materialdried over magnesium sulfate
  7. customevaporated in vacuo
  8. customThe residue was purified by silica gel column chromatography (chloroform-MeOH=95-5)

出典と根拠

ORDレコード
ord-2322fd90525347358f7efcbdfda0fca3
出典データセット
uspto-grants-2008_12
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07465731B2

反応ノート

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このページの内容参加物反応条件実験手順後処理出典と根拠反応ノート