Low - valent titanium reagent prepared from titanium tetrachloride and zinc in tetrahydrofuran has been used to promote a novel cyclodimerization of α,β-unsaturated ketones, leading to cyclopentanol derivatives (2 a...Low - valent titanium reagent prepared from titanium tetrachloride and zinc in tetrahydrofuran has been used to promote a novel cyclodimerization of α,β-unsaturated ketones, leading to cyclopentanol derivatives (2 and 3). A possible reaction mechanism was proposed.展开更多
文摘Low - valent titanium reagent prepared from titanium tetrachloride and zinc in tetrahydrofuran has been used to promote a novel cyclodimerization of α,β-unsaturated ketones, leading to cyclopentanol derivatives (2 and 3). A possible reaction mechanism was proposed.
