{HEAD ~ Compounds} of Formula 9 where the A group has a triple bond can be made by {TAIL ~ reaction} of a corresponding aromatic methyl ketone with strong base, such as lithium diisopropylamide, reaction with diethyl chlorophosphate and subsequent addition of lithium diisopropylamide 
made by
{ HEAD ~ Compounds } of Formula 9 where the A group has a triple bond can be made by { TAIL ~ reaction } of a corresponding aromatic methyl ketone with strong base , such as lithium diisopropylamide , reaction with diethyl chlorophosphate and subsequent addition of lithium diisopropylamide
HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH