ChemInform Abstract: Alkylative Carbocyclization of ω-Iodoalkynyl Tosylates with Alkynyllithium Compounds Through a Carbenoid-Chain Process Leading to (1-Iodoprop-2-ynylidene)tetrahydrofurans and -cyclopropanes.

Alkylative Carbocyclization of ω-Iodoalk

Alkylative Carbocyclization of ω-Iodoalkynyl Tosylates with Alkynyllithium Compounds Through a Carbenoid-Chain Process Leading to (1-Iodoprop-2-ynylidene)tetrahydrofurans and -cyclopropanes

✍ Toshiro Harada; Daisuke Imaoka; Chie Kitano; Takahiro Kusukawa 📂 Article 📅 2010 🏛 John Wiley and Sons 🌐 English ⚖ 370 KB

## Abstract Alkylative carbocyclization reactions of ω‐iodoalkynyl tosylates with alkynyllithium compounds to give products with incorporated iodine atoms are described. Slow addition of 2‐(3‐iodoprop‐2‐ynyloxy)ethyl tosylates to 1‐alkynyllithium compounds in tetrahydrofuran at 40 °C followed by ad