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Acetic Anhydride → Benzyl 4-{6-[(acetylamino)methyl]-3-(3,4-dimethoxybenzyl)-2,4-dioxo-3,4-dihydroquinazolin-1(2H)-yl}piperidine-1-carboxylate

HRID 403569
ノート
印刷プレビュー

反応式

HRID 403569 の反応式
[C:1](OC(=O)C)(=[O:3])[CH3:2].[NH2:8][CH2:9][C:10]1[CH:11]=[C:12]2[C:17](=[CH:18][CH:19]=1)[N:16]([CH:20]1[CH2:25][CH2:24][N:23]([C:26]([O:28][CH2:29][C:30]3[CH:35]=[CH:34][CH:33]=[CH:32][CH:31]=3)=[O:27])[CH2:22][CH2:21]1)[C:15](=[O:36])[N:14]([CH2:37][C:38]1[CH:43]=[CH:42][C:41]([O:44][CH3:45])=[C:40]([O:46][CH3:47])[CH:39]=1)[C:13]2=[O:48].CCN(CC)CC>C(Cl)Cl>[C:1]([NH:8][CH2:9][C:10]1[CH:11]=[C:12]2[C:17](=[CH:18][CH:19]=1)[N:16]([CH:20]1[CH2:25][CH2:24][N:23]([C:26]([O:28][CH2:29][C:30]3[CH:31]=[CH:32][CH:33]=[CH:34][CH:35]=3)=[O:27])[CH2:22][CH2:21]1)[C:15](=[O:36])[N:14]([CH2:37][C:38]1[CH:43]=[CH:42][C:41]([O:44][CH3:45])=[C:40]([O:46][CH3:47])[CH:39]=1)[C:13]2=[O:48])(=[O:3])[CH3:2]
参加物実験手順後処理出典と根拠反応ノート

参加物

5

反応物 3

HCID 7918Acetic AnhydrideHCID 8471TriethylamineHCID 59587267Benzyl 4-[6-(aminomethyl)-3-(3,4-dimethoxybenzyl)-2,4-dioxo-3,4-dihydroquinazolin-1(2H)-yl]piperidine-1-carboxylate

生成物 1

HCID 66603329Benzyl 4-{6-[(acetylamino)methyl]-3-(3,4-dimethoxybenzyl)-2,4-dioxo-3,4-dihydroquinazolin-1(2H)-yl}piperidine-1-carboxylate収率 107.5%

試薬・触媒・溶媒 1

HCID 6344
Dichloromethane
溶媒
2 回

実験手順

0.049 g of acetic anhydride is added to a solution of 0.09 g of benzyl 4-[6-(aminomethyl)-3-(3,4-dimethoxybenzyl)-2,4-dioxo-3,4-dihydroquinazolin-1(2H)-yl]piperidine-1-carboxylate obtained in stage 5.5 and 0.09 ml of NEt3 in 3 ml of DCM and the mixture is stirred at AT for 1 h 00. DCM is added and the solution is washed with a saturated NH4Cl solution, then with a 1N HCl solution, then with a 2N NaOH solution and then with water. The organic phase is dried over Na2SO4 and filtered, and the filtrate is evaporated under reduced pressure to give 0.104 g of the expected product.

後処理

  1. washthe solution is washed with a saturated NH4Cl solution
  2. dry with materialThe organic phase is dried over Na2SO4
  3. filtrationfiltered
  4. customthe filtrate is evaporated under reduced pressure

出典と根拠

ORDレコード
ord-6ef2d573b4854e0884aca58be79a5fe8
出典データセット
uspto-grants-2014_06
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08748441B2

反応ノート

読み込み中…

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