Synthesis p. 149 - 151 (1994)
Update date:2022-08-05
Topics:
Graziano
Iesce
Cermola
The [2 + 2] cycloaddition of the 1,1-dimethoxyalkenes 1 and the electron- poor alkynes 2 in dry chloroform affords the functionalized 3,3- dimethoxycyclobutenes 3 in good to excellent yields (40-100%). The latter by electrocyclic ring opening give the dienes 4, starting materials to multifunctional compounds such as the esters 5 and the cyclohexenes 6.
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Doi:10.1021/jo00088a019
(1994)Doi:10.1039/DT9940000787
(1994)Doi:10.1021/ol047792c
(2005)Doi:10.1021/jo00087a043
(1994)Doi:10.1021/ol5002522
(2014)Doi:10.1002/jlcr.1565
(2009)
