Fig. 1: Reaction background and our discovery. | Nature Communications

Fig. 1: Reaction background and our discovery.

From: Desymmetric homologating annulation to access chiral pentafulvenes and their application in bioimaging

Fig. 1

A Biologically relevant and electrochromic motifs containing pentafulvenes. B Metal catalyzed enantioselective homologation of cycloalkanones. C Asymmetric vinylogous desymmetrizing annulation of cycloalkanones. D Reaction design for H-bond catalyzed desymmetrizing (4 + 2) annulation. E Asymmetric vinylogous enantioselective homologating annulation between cyclopent-4-ene-1,3-dienone and 3-cyano-4-methylcoumarin.

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