State anti-addition of h-b species

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Select the statements that correctly describe the regio- and stereochemical outcome of the hydroboration-oxidation reaction: (A) syn-addition of H-B species; (B) anti-addition of H-B species (C) hydrogen adds first, followed by rearrangement of the resulting carbocation to a more stable species, then boron adds last; (D) oxidation step (cleavage of C-B and formation of C-O bond) is accompanied by inversion of configuration; (E) oxidation step (cleavage of C-B and formation of C-O bond) is accompanied by retention of configuration;

A A, C, and D

B B, C, and D

C A and D

D B and C

E A and E

F B and E

Reference no: EM13209840

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