Myrmicaria Myrmicarin

Two new 3,5-disubstituted indolizidines, (-)-myrmicarin 237A and (+)-myrmicarin 237B, Fig. (7), were isolated as the major components of the poison gland secretion of the afiican ant Myrmicaria eumenoides [22]. NMR data analysis ( H, COSY, COLOC and... 

Figure 37 Dimeric and trimeric Myrmicaria aikaioids and putative precursors 141 and 155. Structure 143 highlights the three 15-carbon chains in myrmicarin 663 (5).

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