Title:  Agrocybin 
CAS Registry Number:  544-44-5 
CAS Name:  8-Hydroxy-2,4,6-octatriynamide 
Molecular Formula:  C8H5NO2 
Molecular Weight:  147.13 
Percent Composition:  C 65.31%, H 3.43%, N 9.52%, O 21.75% 
Literature References:  Phytotoxic acetylene responsible for killing of grass by fairy ring mushroom fungus.  Isolation from basidiomycete Agrocybe dura:  Kavanagh et al., Proc. Natl. Acad. Sci. USA 36, 102 (1950); from Marasmius oreades and activity:  W. A. Ayer, P. A. Craw, Can. J. Chem. 67, 1371 (1989).  Structure and synthesis:  Bu'Lock et al., Chem. Ind. (London) 1954, 990; and spectrum:  Ashworth et al., J. Chem. Soc. 1958, 950.  Origin of the carbon skeleton:  E. R. H. Jones et al., J. Chem. Res. Miniprint 1977, 744. 
Properties:  Crystals from 20% alc or ether, mp 140° (conflagrates).  Stable in air for about one day after which the crystals turn black and become insol in ether.  Sol in alc, acetone, ether, chloroform, methyl isobutyl ketone; slightly sol in water.  Practically insol in hexane. 
Melting point:  mp 140° (conflagrates)   |