25085
These ligands were tested in enantioselective zinc - catalyzed hydrosilylation reactions ; excellent enantioselectivities were obtained when the ligands containing ( R , R ) - diaminocyclohexane moieties and furan rings were used .
 Chemical: zinc; Chemical: ( R , R ) - diaminocyclohexane; Chemical: furan
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: zinc; Chemical: ( R , R ) - diaminocyclohexane; Chemical: furan