A new rearrangement: conversion of a diepoxycyclohexane into a dihydropyrancarbaldehyde
作者:Gerard P. Moss、Cheng Keat Ooi
DOI:10.1039/c39920000342
日期:——
Treatment of 2,7,7-trimethyl-3,8-dioxatricyclo[3.2.1.02,4]octane 5 and derivatives with BF3 gave the corresponding 4,4,5-trimethyl-3,4-dihydro-2H-pyran-2-carbaldehyde 7 and traces only of 3,5,5-trimethyl-7-oxabicyclo[2.2.1]-heptan-2-one 8.
GMUNDER, MICHAEL ROMAN;EUGSTER, CONRAD HANS, HELV. CHIM. ACTA , 73,(1990) N, C. 1954-1969
作者:GMUNDER, MICHAEL ROMAN、EUGSTER, CONRAD HANS
DOI:——
日期:——
Carotinoide mit 7-Oxabicyclo[2.2.1]heptyl-Endgruppen. Teil I. Versuch einer Synthese von Cycloviolaxanthin (= (3<i>S</i>,5<i>R</i>,6<i>R</i>,3′<i>S</i>,5′<i>R</i>,6′<i>R</i>)-3,6:3′,6′-Diepoxy-5,6,5′,6′-tetrahydro-β,β-carotin-5,5′-diol)
作者:Michael Roman Gmünder、Conrad Hans Eugster
DOI:10.1002/hlca.19900730719
日期:1990.10.31
Carotenoids with 7-Oxabicyclo[2,2.1]heptyl End Groups. Attempted Synthesis of Cycloviolaxanthin ( = (3S,5R,6S,3′S,5′R,6′R)-3,6:3′,6′- Diepoxy-5,6,5′,6′-tetrahydro-β,β-carotin-5,5′-diol)