Hydrazobenzene → 3,5-Pyrazolidinedione, 4-allyl-1,2-diphenyl-

HRID 23570

反応式

HRID 23570 の反応式
[C:1]1([NH:7][NH:8][C:9]2[CH:14]=[CH:13][CH:12]=[CH:11][CH:10]=2)[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1.[CH2:15]([CH:18]([C:24](OCC)=[O:25])[C:19](OCC)=[O:20])[CH:16]=[CH2:17].[Na]>>[CH2:15]([CH:18]1[C:19](=[O:20])[N:7]([C:1]2[CH:2]=[CH:3][CH:4]=[CH:5][CH:6]=2)[N:8]([C:9]2[CH:14]=[CH:13][CH:12]=[CH:11][CH:10]=2)[C:24]1=[O:25])[CH:16]=[CH2:17]

参加物

4

反応物 3

HCID 31222HydrazobenzeneHCID 74900Diethyl allylmalonateHCID 5360545Sodium

生成物 1

HCID 2166843,5-Pyrazolidinedione, 4-allyl-1,2-diphenyl-収率 30.2%

実験手順

Prepared from 1,2-diphenylhydrazine (5.2 g; 28.0 mmol), diethyl allylmalonate (5.0 g; 25.0 mmol), and sodium (0.58 g; 25.0 mmol) using the procedure of Example 3. The crude product was recrystallized from absolute ethanol to give 2.21 g (30%) tan crystals, mp 135-137° C.

後処理

  1. customThe crude product was recrystallized from absolute ethanol

出典と根拠

ORDレコード
ord-88925ccce3964f909e9832860eb5636f
出典データセット
uspto-grants-2005_02
特許番号
US06852749B1

関連ノート

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