Echinocandin B nucleus

Echinocandin B nucleus (A-30912 A nucleus) is the reaction product catalyzed by Echinocandin B decarboxylase. It serves as an intermediate in the semisynthetic production of antifungal agents.

O=C1N2[C@@]([C@@H](O)[C@@H](C)C2)(C(=O)N[C@H](O)[C@H](O)C[C@H](N)C(=O)N[C@@]([C@@H](C)O)(C(=O)N3[C@](C(=O)N[C@@]([C@@H]([C@@H](O)C4=CC=C(O)C=C4)O)(C(=O)N[C@]1([C@@H](C)O)[H])[H])(C[C@@H](O)C3)[H])[H])[H]