Synthesis and crystal structure of dimethyl-7-oxabicyclo[2.2.1]hept-5-ene exo,exo-2,3-dicarboxylate

Vera AM; Velasquez W; Briceno A; Bahsas AB; Valero BR; de Delgado GD

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Synthesis and crystal structure of dimethyl-7-oxabicyclo[2.2.1]hept-5-ene exo,exo-2,3-dicarboxylate

机译：二甲基-7-氧杂双环[2.2.1]庚-5-烯exo，exo-2,3-二羧酸酯的合成及晶体结构

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Dimethyl-7-oxabicyclo[2.2.1]hept-5-ene exo,exo-2,3-dicarboxylate (1) was prepared by Fisher esterification of 7-oxabicyclo[2.2.1]-hept-5-ene exo-2,3-dicarboxylic anhydride (2) in methanol. The colorless plates obtained were characterized by FT-IR, H-1- and C-13-NMR, TGA-DSC, and single crystal X-ray diffraction. The material crystallizes in space group P2(1)/c, with a = 9.2375(14) angstrom, b = 12.8757(18) angstrom, c = 9.4608(15) angstrom, beta = 115.327(3)degrees, V = 1017.1(3) angstrom(3), and Z = 4. Chains of hydrogen-bonded molecules along the c-axis interact in the b direction to form layers parallel to the bc plane.

机译：通过7-氧杂双环[2.2.1]-庚-5-烯exo-2的Fisher酯化反应制备二甲基-7-氧杂双环[2.2.1]庚-5-烯exo，exo-2,3-二羧酸酯（1）。，3-二羧酸酐（2）的甲醇溶液。获得的无色板通过FT-IR，H-1-和C-13-NMR，TGA-DSC和单晶X射线衍射进行表征。该材料在空间组P2（1）/ c中结晶，a = 9.2375（14）埃，b = 12.8757（18）埃，c = 9.4608（15）埃，beta = 115.327（3）度，V = 1017.1（ 3）埃（3），Z =4。氢键分子沿c轴的链沿b方向相互作用，形成平行于bc平面的层。

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《Journal of chemical crystallography》 |2007年第8期|共6页
作者
Vera AM; Velasquez W; Briceno A; Bahsas AB; Valero BR; de Delgado GD;
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正文语种 eng
中图分类晶体学;
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oxanorbornene derivatives; 2D-NMR; crystal structure; thermal analysis;

机译：氧杂降冰片烯衍生物;2D-NMR;晶体结构;热分析;

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Synthesis and crystal structure of dimethyl-7-oxabicyclo[2.2.1]hept-5-ene exo,exo-2,3-dicarboxylate

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