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

HRID 23570

반응식

HRID 23570 반응식
[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]

참가 물질

4

반응물 3

HCID 31222HydrazobenzeneHCID 74900Diethyl allylmalonateHCID 5360545Sodium

생성물 1

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

실험 절차

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.

후처리

  1. customThe crude product was recrystallized from absolute ethanol

출처 및 근거

ORD 기록
ord-88925ccce3964f909e9832860eb5636f
출처 데이터셋
uspto-grants-2005_02
특허 번호
US06852749B1

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