Scopoletin is biosynthesized via ortho-hydroxylation of feruloyl CoA by a 2-oxoglutarate-dependent dioxygenase in Arabidopsis thaliana - Kai, K; Mizutani, M; Kawamura, N; Yamamoto, R; Tamai, M; Yamaguchi, H; Sakata, K; Shimizu, B I (Plant J, 2008)