Mechanistic analysis of some key steps in the Simpkins - -allosamizoline synthesis

7 Mechanistic analysis of some key steps in the Simpkins (—)-allosamizoline synthesis 

0-alkylated oxazolidinone 33, SO2 and chloride ion. The liberated chloride then attacks the activated benzyl group to form benzyl chloride and 19. 

Reviews H. Redlich, 1994, Angew. Chem. Int. Ed. Engl., 33, 1345 (b) T.S. Stevens and W.E. Watts, 1973, Selected Molecular Rearrangements, Van Nostrand Reinhold, London. 

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