## Question

###### The following sequence, beginning with a cyclic hemiacetal (compound A); was part of a recently reported enantiospecific synthesis of powerful sex pheromone (currently used in pest management) of the mealybug Pseudococcus viburni (Tetrahedron Lett: 2010, 51 5291- 5293). Determine the structure of compounds Bj C and E formed in the reaction Be able t0 show the detailed mechanism for the whole process_HoCE:TshHealMeCulRO

The following sequence, beginning with a cyclic hemiacetal (compound A); was part of a recently reported enantiospecific synthesis of powerful sex pheromone (currently used in pest management) of the mealybug Pseudococcus viburni (Tetrahedron Lett: 2010, 51 5291- 5293). Determine the structure of compounds Bj C and E formed in the reaction Be able t0 show the detailed mechanism for the whole process_ Ho CE: Tsh Heal MeCul RO

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