2529. Cordycepin

Nomenclature

CAS number: 73-03-0
3′-Deoxyadenosine; 9-cordyceposidoadenine.
C10H13N5O3; mol wt 251.24.
C 47.81%, H 5.22%, N 27.88%, O 19.10%.

Description and references

First reported nucleoside antibiotic. Isoln from culture fluids of Cordyceps militaris (Linn.) Link: K. G. Cunningham et al., J. Chem. Soc. 1951, 2299; N. M. Kredich, A. J. Guarino, Biochim. Biophys. Acta 41, 363 (1960). Proposed structure: H. R. Bentley et al., J. Chem. Soc. 1951, 2301. Identity with 3′-deoxyadenosine and revised structure: E. A. Kaczka et al., Biochem. Biophys. Res. Commun. 14, 456 (1964). Biosynthesis: R. Suhadolnik et al., J. Am. Chem. Soc. 86, 948 (1964). Synthesis: A. R. Todd, T. L. Ulbricht, J. Chem. Soc. 1960, 3275; W. W. Lee et al., J. Am. Chem. Soc. 83, 1906 (1961); E. Walton et al., ibid. 86, 2952 (1964); Y. Ito et al., ibid. 103, 6739 (1981). Cordycepin and cordycepin triphosphate have been used extensively in the study of messenger RNA transcription, see H. T. Shigeura, G. E. Boxer, Biochem. Biophys. Res. Commun. 17, 758 (1964); S. Penman et al., Proc. Natl. Acad. Sci. USA 67, 1878 (1970). Reviews: J. J. Fox. et al., “Nucleoside Antibiotics” in Prog. Nucleic Acid Res. Mol. Biol. 5, 258-262 (1966); A. J. Guarino, “Cordycepin” in Antibiotics I, D. Gottlieb, P. Shaw, Eds. (Springer-Verlag, New York, 1967) pp 468-480.

Chemical structure

Properties

Needles from ethanol, n-butanol, n-propanol or water. mp 225-226°. [α]D20 -47°. [α]D27 -42°. uv max (ethanol): 260 nm (ε 14600). pH aq soln: 7.1.

Derivative

Triphosphate.

Nomenclature

Cordycepin-5′-triphosphate; 3′-deoxy ATP; 3′-deoxyadenosine-5′-(tetrahydrogen triphosphate).
C10H13N5O12P3; mol wt 488.16.
C 24.60%, H 2.68%, N 14.35%, O 39.33%, P 19.04%.

Description and references

Formation by conversion of 3′-deoxyadenosine in Ehrlich ascites tumor: H. Klenow, Biochim. Biophys. Acta 76, 347 (1963). Metabolism in KB cells: H. Shigeura, S. Sampson, ibid. 138, 26 (1967). Synthesis: J. J. Novak, F. Sorm, Collect. Czech. Chem. Commun. 38, 113 (1973); M. Blandin, J. Carbohydr. Nucleosides Nucleotides 3(5/6), 341 (1976).

Properties

Inhibits the final step of RNA biosynthesis by termination of the ribonucleotide chain due to the absence of the 3′-hydroxyl group.