10.55 (...) The synthesis of 5-membered lactones(cyclic esters) has been accomplished using the electrophilic addition of...
10.55 (...) The synthesis of 5-membered lactones(cyclic esters) has been accomplished using the electrophilic addition of I-Cl to an alkyne. Suggest a mechanism for this cyclization reaction. (Structure modification of Yao, T.; Larock, R.C. J. Org. Chem, 2005, 70, 1432- 1437.) OH SiMe3 SiMe3