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Diisopropylethylamine → 4-allyloxy-3,5-dimethyl-benzoic acid N'-(5-isobutyl-thiophene-2-carbonyl)-hydrazide

HRID 1094304
ノート
印刷プレビュー

反応式

HRID 1094304 の反応式
[CH2:1]([C:5]1[S:9][C:8]([C:10]([OH:12])=O)=[CH:7][CH:6]=1)[CH:2]([CH3:4])[CH3:3].CCN(C(C)C)C(C)C.CN(C(ON1N=NC2C=CC=CC1=2)=[N+](C)C)C.[B-](F)(F)(F)F.[CH2:44]([O:47][C:48]1[C:57]([CH3:58])=[CH:56][C:51]([C:52]([NH:54][NH2:55])=[O:53])=[CH:50][C:49]=1[CH3:59])[CH:45]=[CH2:46]>C(Cl)Cl.CCOCC>[CH2:1]([C:5]1[S:9][C:8]([C:10]([NH:55][NH:54][C:52](=[O:53])[C:51]2[CH:50]=[C:49]([CH3:59])[C:48]([O:47][CH2:44][CH:45]=[CH2:46])=[C:57]([CH3:58])[CH:56]=2)=[O:12])=[CH:7][CH:6]=1)[CH:2]([CH3:3])[CH3:4]
参加物実験手順後処理出典と根拠反応ノート

参加物

7

反応物 4

HCID 81531DiisopropylethylamineHCID 2733207O-(Benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborateHCID 196226895-(2-Methylpropyl)thiophene-2-carboxylic acidHCID 592020394-Allyloxy-3,5-dimethyl-benzoic acid hydrazide

生成物 1

HCID 666369514-allyloxy-3,5-dimethyl-benzoic acid N'-(5-isobutyl-thiophene-2-carbonyl)-hydrazide収率 80.5%

試薬・触媒・溶媒 2

HCID 3283Diethyl Ether溶媒HCID 6344Dichloromethane溶媒

実験手順

To a solution of 5-isobutyl-thiophene-2-carboxylic acid (830 mg, 4.51 mmol) and DIPEA (680 mg, 5.27 mmol) in DCM (20 mL) is added TBTU (1.59 g, 4.96 mmol) at rt. The mixture is stirred at rt for 45 min before 4-allyloxy-3,5-dimethyl-benzoic acid hydrazide (993 mg, 4.50 mmol) is added. Stirring is continued for 2 h. The mixture is diluted with ether (200 mL) and washed with 1M aq. HCl (3×50 mL), 1M aq. NaOH (3×50 mL) and brine (50 mL). The org. extract is dried over MgSO4, filtered and evaporated to give the crude 4-allyloxy-3,5-dimethyl-benzoic acid N′-(5-isobutyl-thiophene-2-carbonyl)-hydrazide (1.40 g) as a yellow oil that slowly solidifies; LC-MS: tR=1.02 min, [M+1]+=387.10.

後処理

  1. additionis added
  2. washwashed with 1M aq. HCl (3×50 mL), 1M aq. NaOH (3×50 mL) and brine (50 mL)
  3. extractionextract
  4. dry with materialis dried over MgSO4
  5. filtrationfiltered
  6. customevaporated

出典と根拠

ORDレコード
ord-4257db04a7554dfa812ac90998635693
出典データセット
uspto-grants-2012_03
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08133910B2

反応ノート

読み込み中…

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