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1 .     compound 3a
    ÏàËÆ¶È:60%
Tetrahedron Letters          2000          41          5363-5366
Easy and efficient synthesis of enantiomerically enriched 2H-azirines derived from phosphonates
Francisco Palacios, Ana M. Ochoa de Retana, Jos¨¦ I. Gil
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ

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2 .     Diethyl 3-(1-hydroxyureido)-propylphosphonate
C8H19N2O5P     ÏàËÆ¶È:50%
Zeitschrift f¨¹r Naturforschung B          2003          58          106-110
Hydroxyurea Analogues of Fosmidomycin
T. Kurz, D. Geffken, and C. Wackendorff
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ

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3 .     5-ethyl-1,3-dioxan-5-ylmethanol
C7H14O3     ÏàËÆ¶È:50%
Russian Journal of Organic Chemistry          2008          44          1434-1437
Vinylation of hydroxy-containing cyclic formaldehyde acetals with acetylene
L. A. Oparina, O. V. Vysotskaya, L. N. Parshina, M. Ya. Khil¡¯ko and N. K. Gusarova
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
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