Zb. Zhao et Y. Ding, TRAPPING BICYCLIC TITANACYCLOPENTENES WITH BIS(TRICHLOROMETHYL) CARBONATE (BTC) - A NEW METHOD TO BICYCLIC CYCLOPENTENONES, Journal of the Chemical Society. Perkin transactions. I, (2), 1998, pp. 171-172
Bis(trichloromethyl) carbonate is found to trap bicyclic titanacyclope
ntenes providing a new method for bicyclization of enynes into bicycli
c cyclopentenones.