Propyltriphenylphosphonium bromide → 3-(2-Pentenyl)-cyclopentanol

反応式

[OH:1][CH:2]1[CH2:6][CH2:5][CH:4]([CH2:7][CH:8]=O)[CH2:3]1.[Br-].[C:11]1([P+](C2C=CC=CC=2)(C2C=CC=CC=2)CCC)[CH:16]=CC=C[CH:12]=1>>[CH2:7]([CH:4]1[CH2:5][CH2:6][CH:2]([OH:1])[CH2:3]1)[CH:8]=[CH:12][CH2:11][CH3:16]

参加物

反応物 2

HCID 80374Propyltriphenylphosphonium bromide

HCID 537697943-Hydroxy cyclopentyl-acetaldehyde

生成物 1

HCID 538336653-(2-Pentenyl)-cyclopentanol収率 24.9%

実験手順

Using the procedure of Example 3, 5 g of 3-hydroxy cyclopentyl-acetaldehyde and 20 g of triphenyl propyl phosphonium bromide were reacted and the product was chromatographed over silica gel. Elution with a 7-3 cyclohexane-ethyl acetate mixture yielded 1.5 g of 3-(2-pentenyl)-cyclopentanol.

後処理

customwere reacted
customthe product was chromatographed over silica gel
washElution with a 7-3 cyclohexane-ethyl acetate mixture

出典と根拠

ORDレコード: ord-54177a6b356f4f33835c4dcada38cd6c
出典データセット: uspto-grants-1985_02
DOI: 10.6084/m9.figshare.5104873.v1
特許番号: US04501687

反応ノート

読み込み中…

参加物