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. Author manuscript; available in PMC: 2013 Sep 21.
Published in final edited form as: J Org Chem. 2012 Sep 5;77(18):8000–8006. doi: 10.1021/jo301246x

Figure 3.

Figure 3

Top: Key COSY (bolded lines), HMBC (solid, single-head arrows), and HSQC-TOCSY (dashed, single-head arrows) correlations supporting the structure of bromophycoic acid E (5). Bottom: NOEs observed for bromophycoic acid E (5) represented by double-headed arrows. NOE between Me25 (δ 1.15) and Me26 (δ 1.01) could not be confirmed due to near-overlapping chemical shifts.