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Tagged with organoboron-compounds stereochemistry
3
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Hydroboration, steroselectivity and anti-markovnikov product [duplicate]
My first question has to do with the fact that Hydroboration produces an anti-markovnikov product, why?. I don't see how that happens. A wikipedia artical says that B has a partial positive charge ...
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Stereoselectivity of Roush crotylboration
One can use a tartrate derived boronate to enact enantioselective crotyl transfer. Eg in scheme below:
I do not understand how the stereoselectivity arises. We have a chiral boronate, true, and we ...
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What is the stereochemistry resulting from hydroboration of 1-methylcyclopentene?
What is the major product of the following reaction sequence?
I'm supposed to work out the structures of both 2 and 3, but I already know 2 to be 1-methylcyclopentene (as the most substituted ...