Nomenclature
CAS number: 533-67-5
2-Deoxy-
d-
erythro-pentose; desoxyribose;
d-2-deoxyarabinose;
d-2-ribodesose;
d-
erythro-2-deoxypentose; thyminose.
C
5H
10O
4; mol wt 134.13.
C 44.77%, H 7.51%, O 47.71%.
Description and references
Isoln from deoxyribonucleic acid by acidic
hydrolysis of purine deoxyribonucleosides which have been isolated
by ion-exchange resin chromatography: Laland, Overend, Acta Chem. Scand. 8, 192 (1954).
Synthesis: Felton, Freudenberg, J. Am. Chem.
Soc. 57, 1637 (1935); Deriaz et al., J. Chem. Soc. 1949, 1879, 2836; Hough, Chem. Ind. (London) 1951, 406; Sowden, Biochem. Prep. 5, 75 (1957); I. Ziderman, E. Dimant, J. Org. Chem. 32, 1267 (1967);
J. R. Hauske, H. Rapoport, ibid. 44, 2472 (1979); T. Harada, T. Mukaiyama, Chem. Lett. 1981, 1109. Review: Overend, Stacey, in Chargaff-Davidson, Nucleic Acids vol. 1, E. Chargaff,
N. J. Davidson, Eds. (Academic Press, New York, 1955) pp 1-80.
Properties
Crystals from isopropanol, mp 91°. Shows mutarotation. Final [α]D22 -56.2° (H2O). Sol in water, pyridine. Slightly sol in
alc.Derivative
1,3,4-Triacetate.
C
11H
16O
7; mol wt 260.24.
C 50.77%, H 6.20%, O 43.04%.
Properties
Needles from methanol, mp 98°. [α]D23 -171.8° (c = 0.56 in chloroform):
Allerton, Overend, J. Chem. Soc. 1951, 1480.Derivative
3,4,5-Triacetate.
Properties
Oily liq, bp0.001 105°. [α]D21 +3.4° (c = 4.57 in pyridine):
Zinner et al., Ber. 90, 2696 (1957).Derivative
1,3,4-Tribenzoate.
Properties
Small white nodules from ethanol, mp 127°. [α]D23 -65° (c = 1.02
in chloroform) (Allerton, Overend). Probably a mixture of the
two anomeric 2-deoxy-d-ribopyranose tribenzoates: Pedersen et al., J. Am. Chem. Soc. 82, 3425 (1960).Derivative
3,4,5-Tribenzoate.
Properties
Fine needles from ethyl acetate + petr ether, mp 118-119°. [α]D18 -2.8° (c = 1.44 in pyridine) (Zinner).