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tert-butyl N-(3-bromopropyl)carbamate → Ethyl 8-anilino-2-{3-[(tert-butoxycarbonyl)amino]propyl}-4,5-dihydro-2H-pyrazolo[4,3-h]quinazoline-3-carboxylate

HRID 44624
ノート
印刷プレビュー

反応式

HRID 44624 の反応式
[NH:1]([C:8]1[N:17]=[CH:16][C:15]2[CH2:14][CH2:13][C:12]3[C:18]([C:21]([O:23][CH2:24][CH3:25])=[O:22])=[N:19][NH:20][C:11]=3[C:10]=2[N:9]=1)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.CC(C)([O-])C.[Li+].[C:32]([O:36][C:37]([NH:39][CH2:40][CH2:41][CH2:42]Br)=[O:38])([CH3:35])([CH3:34])[CH3:33]>CN(C)C=O.O1CCCC1>[NH:1]([C:8]1[N:17]=[CH:16][C:15]2[CH2:14][CH2:13][C:12]3=[C:18]([C:21]([O:23][CH2:24][CH3:25])=[O:22])[N:19]([CH2:42][CH2:41][CH2:40][NH:39][C:37]([O:36][C:32]([CH3:33])([CH3:35])[CH3:34])=[O:38])[N:20]=[C:11]3[C:10]=2[N:9]=1)[C:2]1[CH:3]=[CH:4][CH:5]=[CH:6][CH:7]=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 3

HCID 4460490tert-butyl N-(3-bromopropyl)carbamateHCID 236647642-Propanol, 2-methyl-, lithium salt (1:1)HCID 178470474HCID 178470474、化合物

生成物 1

HCID 68931717Ethyl 8-anilino-2-{3-[(tert-butoxycarbonyl)amino]propyl}-4,5-dihydro-2H-pyrazolo[4,3-h]quinazoline-3-carboxylate

試薬・触媒・溶媒 2

HCID 6228Dimethylformamide溶媒
HCID 8028
Tetrahydrofuran
溶媒
2 回

実験手順

500 mg of ethyl 8-anilino-4,5-dihydro-1H-pyrazolo[4,3-h]quinazoline-3-carboxylate (1.5 mmol) were dissolved in 10 mL of dry dimethylformamide and 1.63 mL of 1M lithium tert-butoxide in tetrahydrofuran were added to the cooled solution. After 30 minutes under stirring at 0° C. a solution of 432 mg of tert-butoxycarbonylaminopropyl bromide in 8 mL of dry tetrahydrofuran were added dropwise. After a night at room temperature the mixture was poured into a solution of NaH2PO4 and extracted with dichloromethane. The organic layer was then dried over Na2SO4 and the solvent evaporated, giving an oil that was treated according to the following step 7, without any further purification.

後処理

  1. additionwere added dropwise
  2. extractionextracted with dichloromethane
  3. dry with materialThe organic layer was then dried over Na2SO4
  4. customthe solvent evaporated
  5. customgiving an oil that
  6. additionwas treated
  7. customaccording to the following step 7, without any further purification

出典と根拠

ORDレコード
ord-c9881102c10b46b195f426b54d3cf480
出典データセット
uspto-grants-2013_09
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08541429B2

反応ノート

読み込み中…

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