8924
The direct reaction between branched , racemic allylic alcohols and potassium alkenyltrifluoroborates proceeded with high site selectivity and excellent enantioselectivity ( up to 99 % ) mediated by an Ir - ( P , olefin ) complex .
 Chemical: allylic alcohols; Chemical: potassium alkenyltrifluoroborates; Chemical: Ir - ( P , olefin )
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: allylic alcohols; Chemical: potassium alkenyltrifluoroborates; Chemical: Ir - ( P , olefin )