title: Regioselective Intermolecular [2 + 2]-Cycloaddition of α-Iodo-Unsaturated Ketones Promoted by Diisobutylaluminum Hydride.
abstract: The development of intermolecular [2 + 2]-cycloaddition of α-iodo-unsaturated ketones in the presence of diisobutylaluminum hydride (Dibal-H) is reported to produce various trispirocyclic derivatives containing a cyclobutane ring. This sequential lactonization/[2 + 2]-cycloaddition proceeds in high regioselectivity under mild conditions.
authors: Shannxi Key Laboratory of Phytochemistry, College of Chemistry and Chemical Engineering, Baoji University of Arts and Sciences , Baoji 721013, China.
authors: Hai-Tao
authors: HT
authors: Zhu
authors: Shannxi Key Laboratory of Phytochemistry, College of Chemistry and Chemical Engineering, Baoji University of Arts and Sciences , Baoji 721013, China.
authors: Sen
authors: S
authors: Ke
authors: Shannxi Key Laboratory of Phytochemistry, College of Chemistry and Chemical Engineering, Baoji University of Arts and Sciences , Baoji 721013, China.
authors: Ni-Ni
authors: NN
authors: Zhou
authors: Shannxi Key Laboratory of Phytochemistry, College of Chemistry and Chemical Engineering, Baoji University of Arts and Sciences , Baoji 721013, China.
authors: Ming-Jin
authors: MJ
authors: Fan
authors: Shannxi Key Laboratory of Phytochemistry, College of Chemistry and Chemical Engineering, Baoji University of Arts and Sciences , Baoji 721013, China.
authors: De-Suo
authors: DS
authors: Yang