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Organic Syntheses Procedure
Synthesis of seven-membered lactones by regioselective and stereoselective iodolactonization of electron-deficient olefins - Chemical Communications (RSC Publishing) DOI:10.1039/C9CC10080F
SOLVED:10.69 Lactones cyclic esters such as compound A, are prepared by halolactonization, an addition reaction t0 an alkene For example , iodolactonization of B foms lactone C, a key intermediate in the