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. 2017 Apr 3;8:14883. doi: 10.1038/ncomms14883

Figure 2. Norcoclaurine synthase activities.

Figure 2

Previous work using NCSs demonstrated biocatalytic formation of 1-monosubstituted-THIQs from dopamine and aldehydes. In this work we demonstrate the biocatalytic route to 1,1′-disubstituted THIQs, from dopamine and ketones, via a Pictet–Spengler reaction, catalysed by NCS. The amines and substituted alpha-carbons is highlighted in blue.