Makrocyclische [4n + 2]-Hückel-Aromaten bis n = 9 und [4n]-Antiaromaten bis n = 10: Homologe Reihen vom Tetraepoxy[24]-annulen(2.0.2.0) zum Tetraepoxy[40]annulen(12.0.12.0) und vom ‘Tetraoxa-[22]porphyrin(2.0.2.0)’-zum ‘Tetraepoxa[38]porphyrin(12.0.12.0)’
Macrocyclic [4n + 2]-Hückel Aromatic Systems up to n = 9 and [4n] Antiaromatic Systems up to n = 10: Homologous Sequences from Tetraepoxy[24]annulene(2.0.2.0) to Tetraepoxy[40]annulene(12.0.12.0) and from the ‘Tetraoxa[22]porphyrin(2.0.2.0)-’ to the ‘Tetraoxa[38]porphyrin(12.0.12.0’-Dication1)2)
Dérivés silylés issus d'aldimines α,β-insaturées: Préparations et applications en synthèse
作者:M. Bellassoued、A. Majidi
DOI:10.1016/0022-328x(93)83083-8
日期:1993.2
The preparation of silylated N-tert-butyl alpha,beta-unsaturated aldimines is reported. The disilylated reagent 3a derived from crotonaldimine is used for the conversion of aromatic aldehydes into conjugated dienals in one-pot reaction.