Tetrahedron Letters p. 155 - 158 (1989)
Update date:2022-08-03
Topics:
Niedermann, Hans-Peter
Eckes, Heinz-Ludwig
Meier, Herbert
The reaction of trialkylphosphites or related P-nucleophiles with benzothiete (1) leads to zwitter ionic species, which show an Arbuzov - like rearrangement to the products 4 and 7, respectively.New heterocyclic ring systems are generated in the case of cyclic esters.The normal SN2 reaction leads to the 1:2 adducts 9, whereas in an SN1 process the 1:1 adduct 13 is formed.
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