ChemInform Abstract: An Efficient Synthesis of Cycloalkane‐1, 3‐dione‐2‐spirocyclopropanes from 1, 3‐Cycloalkanediones Using (1‐Aryl‐2‐bromoethyl)‐dimethylsulfonium Bromides: Application to a One‐Pot Synthesis of Tetrahydroindol‐4(5H)‐one (XIII). Issue 44 (15th October 2015) - Nambu, Hisanori; Fukumoto, Masahiro; Hirota, Wataru; Ono, Naoki; Yakura, Takayuki