4-Pentynal, 5-phenyl- → HCID 70372346、化合物

反応式

[C:1]1([C:7]#[C:8][CH2:9][CH2:10][CH:11]=O)[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1.[C:13]([CH2:18][CH:19]=P(C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1)([O:15][CH2:16][CH3:17])=[O:14]>>[CH3:19]/[C:18](=[CH:11]\[CH2:10][CH2:9][C:8]#[C:7][C:1]1[CH:2]=[CH:3][CH:4]=[CH:5][CH:6]=1)/[C:13]([O:15][CH2:16][CH3:17])=[O:14]

参加物

反応物 2

HCID 112406334-Pentynal, 5-phenyl-

HCID 12607919Ethyl 3-(triphenyl-lambda~5~-phosphanylidene)propanoate

生成物 1

HCID 70372346HCID 70372346、化合物収率 98%

実験手順

5-phenyl-pent-4-yn-1-al (1 g, 6.33 mmol) (Example 1) and carboethoxymethylmethylene triphenylphosphorane were used with the same method as in Example 1 to give 1.5 g (98% of theory) of ethyl 2-methyl-7-phenyl-(2E)-hepten-6-ynoate as a pale yellow oil.

出典と根拠

ORDレコード: ord-57d0b18fc37c4aa985eda460ee303301
出典データセット: uspto-grants-1989_08
DOI: 10.6084/m9.figshare.5104873.v1
特許番号: US04855086

反応ノート

読み込み中…