26175
Direct - type catalytic Mannich reaction for the synthesis of beta - aminoketones from cyclohexanone , substituted aromatic amines and aromatic or hetero - aromatic aldehydes has been applied in water with bismuth triflate under ultrasound .
 Chemical: beta - aminoketones; Chemical: cyclohexanone; Chemical: aromatic amines and aromatic or hetero - aromatic aldehydes; Chemical: bismuth triflate
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: beta - aminoketones; Chemical: cyclohexanone; Chemical: aromatic amines and aromatic or hetero - aromatic aldehydes; Chemical: bismuth triflate