Zobrazeno 1 - 10
of 625
pro vyhledávání: '"O, JEGER"'
Publikováno v:
Recueil des Travaux Chimiques des Pays-Bas. 98:271-281
Photoinduced cleavage of α,β-unsaturated γ,δ-epoxyester II: the effect of a methylidene group in ϵ-position. On direct excitation (γ = 254 nm, pentane) 4 undergoes mainly (60%) cyclo-elimination to give the isomeric products 7–13 and to a sma
Publikováno v:
Helvetica chimica acta. 30(5)
Publikováno v:
Helvetica chimica acta. 30(6)
Publikováno v:
Helvetica chimica acta. 30(4)
Publikováno v:
Helvetica chimica acta. 30(2)
Publikováno v:
Helvetica chimica acta. 30(1)
Autor:
O, JEGER, G, LARDELLI
Publikováno v:
Helvetica chimica acta. 30(4)
Publikováno v:
Helvetica chimica acta. 30(6)
Autor:
H. Heusser, O. Jeger
Publikováno v:
Ciba Foundation Symposium-Synthesis and Metabolism of Adrenocortical Steroids (Colloquia on Endocrinology), Volume VII
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::41c805851635650871ea2f159ae96125
https://doi.org/10.1002/9780470718865.ch4
https://doi.org/10.1002/9780470718865.ch4
Publikováno v:
Helvetica Chimica Acta. 68:207-211
On singlet excitation (λ = 254 nm), the epoxydiene (E)-3 underwent (E)/(Z)-isomerization, electrocyclic ring closure of the diene side chain leading to the cyclobutenes 4A + B, and rearrangement to the cyclohexanones 5A + B. Compounds 5A + B were pr