5.5
[1]. Amos B Smith rd, et al. Evolution of a total synthesis of (-)-kendomycin exploiting a Petasis-Ferrier rearrangement/ring-closing olefin metathesis strategy. J Am Chem Soc. 26 Apr 19;128(15):5292-9.
H15-H19-H5
P261-P264-P271-P28-P2+P52
GHS7