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SYNTHESIS AND STABILITY OF THERMALLY LABILE 1,2-OXAPHOSPHETANE 2-OXIDES AND 1,2-THIAPHOSPHETANE 2-SULFIDES

Jiaxi Xu
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Abstract


Synthesis and thermal stability of 1,2-oxaphosphetane 2-oxide and 1,2-thiaphosphetane 2-sulfide derivatives are discussed. This microreview covers the available synthetic methods of thermally labile 1,2-oxaphosphetane 2-oxides and 1,2-thiaphosphetane 2-sulfides and their fragmentation. The synthetic approaches may be classified in four distinct categories: cycloaddition, cyclization, fragmentation, and annulation.

Keywords


beta-dithiophosphalactone; beta-phosphalactone; 1,2-oxaphosphetane 2-oxide; 1,2-thiaphosphetane 2-sulfide; four-memebered heterocycle; heterocycle; thiaheterocycle

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