284036-54-0Relevant academic research and scientific papers
On the [2,3] sigmatropic rearrangement of allylic nitro compounds
Alameda-Angulo, Celia,Quiclet-Sire, Beatrice,Schmidt, Elmar,Zard, Samir Z.
, p. 3489 - 3492 (2007/10/03)
(Chemical Equation Presented) Allylic nitro compounds undergo relatively clean [2,3] sigmatropic rearrangement upon heating in refluxing 1,2-dichlorobenzene in the presence of DABCO to give the corresponding allylic alcohols via the intermediate allylic n
Amberlyst-15-catalyzed intramolecular S(N)2' oxaspirocyclization of secondary allylic alcohols. Application to the total synthesis of spirocyclic ethers theaspirane and theaspirone
Young, Jenn-Jong,Jung, Liarng-Jyur,Cheng, Kuang-Ming
, p. 3415 - 3418 (2007/10/03)
A variety of substituted 1-oxaspiro[4.4]non-6-ene. 1-oxaspiro[4.5]dec-6- ene, 6-oxaspiro[4.5]dec-1-ene and 1-oxaspiro[5.5]undec-7-ene systems have been prepared by utilizing Amberlyst-15-catalyzed intramolecular S(N)2' oxaspirocyclizations of secondary allylic alcohols under mild reaction conditions in quantitative yields. This oxaspirocyclization was applied to the total synthesis of theaspirane and theaspirone from β-ionone in five steps. (C) 2000 Elsevier Science Ltd.
