12479
The reaction includes the regioselective addition of a borylcopper ( I ) intermediate to unactivated terminal alkenes , followed by the intramolecular substitution of the resulting alkylcopper ( I ) moiety for the halide leaving groups .
 Chemical: borylcopper ( I ); Chemical: alkenes; Chemical: alkylcopper ( I ); Chemical: halide
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: borylcopper ( I ); Chemical: alkenes; Chemical: alkylcopper ( I ); Chemical: halide