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STUDY ON ~(13)C NMR SPECTRA OF SUBSTITUTED 2,6-DIOXABICYCLO[3, 1, 1]HEPTANES: 1,3-ANHYDRO-β-L-RHAMNOPYRANOSE AND-β-D-MANNOPYRANOSE ETHERS
<正> Great attention has been paid to the synthesis and structural analysis of 1, 3-anhydro-pyranose derivatives since B. Samuelsson reported the structure and strong biological activities of Thromboxane A_2(TXA_2) for platelet aggregation, vasoconstriction and contraction of smooth muscle in 1975. The nucleus of 2, 6-dioxabicyclo [3,1,1] heptane has been considered to play an important role in the strong bioactiv ities of TXA_2. It is difficult to investigate the molecular structure of TXA_2 because
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Chinese Science Bulletin
1989年04期

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