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Transfer of one electron from potassium anion of alkalide K - , K + (15-crown-5) 2 to the double bond of vinyloxirane results in the oxirane ring opening exclusively in the α-position. K 0 and radical anions are formed in the process. The former transfers the second electron mainly to the next monomer molecule. The latter dimerize to potassium glycoxides, which initiate...
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