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ÇóÖú¸÷λ´óÉñ¼¸¸ö·Òë Ò»ÊÇ2,4-Bis(phenyl)-1,3-diselenadiphosphetane-2,4-diselenide[{PhP(Se)(¦Ì-Se)}2],WoollinsÊÔ¼Á ¶þÊÇ3H-1,2-Benzothiaselenol-3-one ÈýÊÇSelenation occurs with retention of configuration at the phosphorus centre. The selenation reagent is unreactive towards dialkyl H-phosphonates in the absence of a base in neutral solvents. It also converts trialkyl phosphites into phosphoroselenonates under conditions compatible with solution- and solid-phase synthetic approaches to oligonucleotides. ![]() ![]() |
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