Please help me with problems 2, 3, and 4. Aren’t there certain rules
you have to follow for alkylation, such as (1) you can’t be branched
at carbon 2 and (2) you have to end up with a primary alkyl halide.
Questions on Retrosynthetic analyses involving alkylation of an alkynide ion.
Please help me with attached problems 2, 3, and 4. Thanks very much! :)