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. 2022 Mar 27;27(7):2171. doi: 10.3390/molecules27072171

Scheme 4.

Scheme 4

(a) Biosynthetic transformation of strictosidine (47), branching point of the biogenesis, and subsequent formation of monoterpenoid indole alkaloids. (b) Divergent synthetic pathways for the construction of an 847-member skeletally complex natural product-like compound library using a new biomimetic branching point, indoloquinolizidines (55).