Description:
Antibiotics from Gliding Bacteria, XXXVI. – A New Isoquinoline Alkaloid from Myxococcus xanthusFrom the culture broth of Myxococcus xanthus Mx ×48 we have isolated the 5,8‐dihydroxy‐4,7‐dimethoxy‐2,6‐dimethylisoquinolinium formate (4); To confirm the structure of 4 we compared its spectroscopic properties with 5‐hydroxy‐2‐methylisoquinolinium methylsulfate (5).