Figure 4
From: Rare Polyene-polyol Macrolides from Mangrove-derived Streptomyces sp. ZQ4BG
(a) Overview of configurational assignments of polyol chains using 13C NMR chemical shifts, HMBC, and NOE correlations of 1,3-diol acetonides. (b–d) Key NOE correlations of triacetonide derivatives 4a, 6a, and 9a. (e,f) Δδ S-R values for the Mosher diesters 4S, 4R, 9S, and 9R.
