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the compound consists of a ring of seven carbon atoms with three conjugated alkene groups and a ketone group.
o composto consiste de um anel de seis átomos de carbono com três grupos alquenos conjugados.
diborane also reacts readily with alkynes to form substituted alkene products which will readily undergo further addition reactions.
diborane also reacts readily with alkynes to form substituted alkene products which will readily undergo further addition reactions.
this "ligand-acceleration" arises via the formation of adduct oso4l, which adds more rapidly to the alkene.
esta "aceleração ligante" surge através da formação do aduto oso4l, o qual adiciona-se mais rapidamente ao alqueno.
in these reactions the active catalyst pd(0) (see reaction mechanism) is formed by pd coordination to the alkene.
a reação é conduzida na presença de ligantes mono ou bidentados de fosfina (por exemplo pd[(pph3)4]).