Higenamine
Encyclopedia
Higenamine is a beta-adrenergic agonist
Beta-adrenergic agonist
Beta-adrenergic agonists are adrenergic agonists which act upon the beta receptors.-β1 agonists:β1 agonists: stimulates adenylyl cyclase activity; opening of calcium channel....

. Higenamine is also known as norcoclaurine.

(S)-norcoclaurine is a precursor in plant benzylisoquinoline
Benzylisoquinoline
1-Benzylisoquinoline is a chemical compound, and the structural backbone of many alkaloids with a wide variety of structures, including papaverine, noscapine, codeine, morphine, apomorphine, berberine, protopine and tubocurarine.-Biosynthesis:...

 alkaloid
Alkaloid
Alkaloids are a group of naturally occurring chemical compounds that contain mostly basic nitrogen atoms. This group also includes some related compounds with neutral and even weakly acidic properties. Also some synthetic compounds of similar structure are attributed to alkaloids...

 synthesis. The formation of (S)-norcoclaurine is catalyzed by (S)-norcoclaurine synthase
(S)-norcoclaurine synthase
In enzymology, a -norcoclaurine synthase is an enzyme that catalyzes the chemical reactionThus, the two substrates of this enzyme are 4-hydroxyphenylacetaldehyde and 4-benzene-1,2-diol, whereas its two products are -norcoclaurine and H2O....

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