Diatretyne II
Title: Diatretyne II
CAS Registry Number: 3625-68-1
CAS Name: 7-Cyano-2-heptene-4,6-diynoic acid
Additional Names: diatretyne nitrile; nudic acid B
Molecular Formula: C8H3NO2
Molecular Weight: 145.11
Percent Composition: C 66.22%, H 2.08%, N 9.65%, O 22.05%
Literature References: Antibiotic substance produced by the basidiomycete Tricholoma nudum and by the fungus Clitocybe diatreta. Isoln: Anchel, J. Am. Chem. Soc. 74, 1588 (1952). Structure: Anchel, Science 121, 607 (1955). Identity of nudic acid B and diatretyne II: Heatly, Stephenson, Nature 179, 1078 (1957). Synthesis: Ashworth et al., J. Chem. Soc. 1958, 950.
Properties: Short needles from ether + light petr, dec 179-180°. Darkens and turns black within 2 hrs on exposure to sunlight. Sol in the usual organic solvents except hexane; dissolves slowly in sodium carbonate soln; practically insol in water and dil acids.
Status: This monograph has been retired and is no longer subject to revision or update.

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