Untersuchungen �ber eine Carbonyl-Olefinierung mit ?-metallierten Isocyaniden. Die Synthese von ?-Carotin und anderen Polyenen
摘要:
AbstractThe synthesis of various polyene isocyanides, e.g. β‐ionyl isocyanide and all‐trans‐retinyl isocyanide is reported. Their use in carbonyl‐olefination was investigated and compared with the Wittig reaction. β‐Carotene was obtained from all‐traws‐retinal and all‐trans‐retinyl isocyanide in good yield.
Die Synthese von all-trans-Retinylamin und anderen Polyenaminen
摘要:
AbstractThe preparation of various polyene phthalimides using the azocarboxylate method is described. The imides are converted into the corresponding amines by reaction with hydrazine. In this way all‐trans‐retinylamine and β‐ionylamine have been obtained.