Pfizer Handbook of Microbial Metabolites 472 



It is also supported by the structure of chanoclavine, 

 which seems to be not too remotely derived from such an 

 intermediate. 



A thorough review of the chemistry of the ergot alka- 

 loids has been published. ^^ 



944 Agroclavine, CieH^gNo, colorless crystals, m.p. 210-212° (dec), 

 [aW -183° (c 1 in pyridine). 



N— CH3 



Claviceps purpurea (Fries) Tul. 



A. Hofmann, R. Brunner, H. Kobel and A. Brack, Helv. 

 Chim. Acta 40 1358 (1957). 



945 Setoclavine, CieHjgON^, colorless crystals, m.p. 229-234° (dec), 



[aW° +174° (c 1 in pyridine). 



946 Isosetoclavine (Triseclavine), CieHigONa (stereoisomer of seto- 



clavine), colorless crystals, m.p. 234-237° (dec), [c(]u~° 

 -J-107° (c 1 in pyridine). 



Clavicepts purpurea (Fries) Tul. 



A. Hofmann, R. Brunner, H. Kobe! and A. Brack, Helv. 

 Chim. Acta 40 1358 (1957). 



" Arthur Stoll, Fortschr. Chem. org. Naturstoffe 9 114-170 (1952). 



