29834
Asymmetric hydroamination / cyclization of N - deutero - aminoalkenes provides products with higher optical purities than obtained with N - proteo - aminoalkenes .
 Chemical: N - deutero - aminoalkenes; Chemical: N - proteo - aminoalkenes
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: N - deutero - aminoalkenes; Chemical: N - proteo - aminoalkenes