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Acetic Acid → 5-(2,4-Bis-benzyloxy-5-isobutyl-phenyl)-4-(4-morpholin-4-ylmethyl-phenyl)-isoxazole-3-carboxylic acid ethylamide

HRID 2097304
ノート
印刷プレビュー

反応式

HRID 2097304 の反応式
[CH2:1]([NH:3][C:4]([C:6]1[C:10]([C:11]2[CH:16]=[CH:15][C:14]([CH:17]=O)=[CH:13][CH:12]=2)=[C:9]([C:19]2[CH:24]=[C:23]([CH2:25][CH:26]([CH3:28])[CH3:27])[C:22]([O:29][CH2:30][C:31]3[CH:36]=[CH:35][CH:34]=[CH:33][CH:32]=3)=[CH:21][C:20]=2[O:37][CH2:38][C:39]2[CH:44]=[CH:43][CH:42]=[CH:41][CH:40]=2)[O:8][N:7]=1)=[O:5])[CH3:2].[NH:45]1[CH2:50][CH2:49][O:48][CH2:47][CH2:46]1.C(O)(=O)C.C([BH3-])#N.[Na+]>CO>[CH2:1]([NH:3][C:4]([C:6]1[C:10]([C:11]2[CH:12]=[CH:13][C:14]([CH2:17][N:45]3[CH2:50][CH2:49][O:48][CH2:47][CH2:46]3)=[CH:15][CH:16]=2)=[C:9]([C:19]2[CH:24]=[C:23]([CH2:25][CH:26]([CH3:28])[CH3:27])[C:22]([O:29][CH2:30][C:31]3[CH:32]=[CH:33][CH:34]=[CH:35][CH:36]=3)=[CH:21][C:20]=2[O:37][CH2:38][C:39]2[CH:40]=[CH:41][CH:42]=[CH:43][CH:44]=2)[O:8][N:7]=1)=[O:5])[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

6

反応物 4

HCID 176Acetic AcidHCID 8083MorpholineHCID 5003444Sodium cyanoborohydrideHCID 247735315-(2,4-Bis-benzyloxy-5-isobutyl-phenyl)-4-(4-formyl-phenyl)-isoxazole-3-carboxylic acid ethylamide

生成物 1

HCID 247737085-(2,4-Bis-benzyloxy-5-isobutyl-phenyl)-4-(4-morpholin-4-ylmethyl-phenyl)-isoxazole-3-carboxylic acid ethylamide

試薬・触媒・溶媒 1

HCID 887Methanol溶媒

実験手順

5-(2,4-Bis-benzyloxy-5-isobutyl-phenyl)-4-(4-formyl-phenyl)-isoxazole-3-carboxylic acid ethylamide (1 eq) was dissolved in methanol and powdered 3 Å sieves were added. Morpholine (2 eq) was added, followed by acetic acid (5 eq). After stirring for 30 minutes, sodium cyanoborohydride (2 eq) was added portionwise and the suspension was stirred under nitrogen at ambient temperature for 16 hours. The reaction mixture was filtered through celite and concentrated to dryness. Column chromatography, eluting with 5% MeOH in DCM gave 5-(2,4-bis-benzyloxy-5-isobutyl-phenyl)-4-(4-morpholin-4-ylmethyl-phenyl)-isoxazole-3-carboxylic acid ethylamide as a colourless oil.

後処理

  1. additionpowdered 3 Å sieves were added
  2. stirringthe suspension was stirred under nitrogen at ambient temperature for 16 hours
  3. filtrationThe reaction mixture was filtered through celite and
  4. concentrationconcentrated to dryness
  5. washColumn chromatography, eluting with 5% MeOH in DCM

出典と根拠

ORDレコード
ord-de5bd32a4b9a4ffbad54718d357bb020
出典データセット
uspto-grants-2013_05
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08450310B2

反応ノート

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