Key points are not available for this paper at this time.
The structure (I) of pseudomonic acid A, 9-4-5- (2, 3-epoxy-5-hydroxy-4-methylhexyl) -3, 4-dihydroxytetra-hydropyran-2-yl-3-methylbut-2-enoyloxynonanoic acid, has been established from n. m. r. , mass spectral, and degradative studies of its methyl ester and various derivatives.
Chain et al. (Sat,) studied this question.