Organic chem

whtas a pi-complex exactly?
how are they formed?
A pi complex is when a pi bond, in either a double or triple bond, coordinates with another species, typically a metal. See, for example, the Heck reaction.

The Physics Forums Way

We Value Quality
• Topics based on mainstream science
• Proper English grammar and spelling
We Value Civility
• Positive and compassionate attitudes
• Patience while debating
We Value Productivity
• Disciplined to remain on-topic
• Recognition of own weaknesses
• Solo and co-op problem solving