11049
The absolute configuration of 1 was assigned by X - ray crystallography using Cu K alpha radiation , whereas those of the C - 11 tertiary alcohols in 2 and 3 were deduced via the circular dichroism data of the in situ formed [ Rh ( 2 ) ( OCOCF ( 3 ) ) ( 4 ) ] complexes .
 Chemical: Cu; Chemical: tertiary alcohols; Chemical: [ Rh ( 2 ) ( OCOCF ( 3 ) ) ( 4 ) ]
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: Cu; Chemical: tertiary alcohols; Chemical: [ Rh ( 2 ) ( OCOCF ( 3 ) ) ( 4 ) ]