Hello,

I have an exam tomorrow and I came across this question: Why are cis, trans and geminal isomers formed in some Heck reaction.

If anyone could help, I will be very thankful.

:)

Quote:

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Originally Posted by cutiepie117

Hello,

I have an exam tomorrow and I came across this question: Why are cis, trans and geminal isomers formed in some Heck reaction.

If anyone could help, I will be very thankful.

:)

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It depends on group. Big group is obstacle for others. Trans is always more common. If use selective catalysis you can get high selective product