According to helix in plane formula the rotatory direction of 2-substituted tetrahydropyrrole can be estimated by using the helix theory .

按照平面式中 存在的螺旋，利用螺旋理论可以估算2取代 四 氢 吡咯的旋光方向， 对于 各种 不同 类型的这类化合物，都能 准确地将化合物的构型和旋光方向联系在一起。

Helical Structure and Optical Direction II & The Relationship Between Helical Structure and Optical Direction of 2-Substituted Tetrahydropyrrole

螺旋结构与旋光方向 II&2-取代 四 氢 吡咯的螺旋结构与旋光方向

Methods : 3 ( N tetrahydropyrrole ) 2 hydroxy is synthesized through a hydrogen form of a cation exchange resin with propanesulfonic acid tetrahydropyrrole epichlorohydrin sodium hydrogen sulfite as its material .

方法：以四氢吡咯、3-氯-1环氧丙烷、亚硫酸氢钠为原料，通过一种氢型的阳离子交换树脂合成3-（N- 四 氢 吡咯）-2-羟基丙磺酸。

A series of C 60 tetrahydropyrrole ring derivatives were synthesized via the reaction of amino acid aldehyde with C 60 under microwave irradiation conditions without any solvent . The reactions were completed within 8 ~ 10 min in 50 % ~ 74 % yields .

以氨基酸、醛和C60为原料在无溶剂条件下应用微波技术合成一系列 含 不同 取 代基 的 四 氢 吡咯环 C60衍生物，该反应在8～10min内完成，产率50%～74%。

Synthesis of C_ ( 60 ) - tetrahydropyrrole Ring Derivatives under Microwave Irradiation

微波辐射下 含 四 氢 吡咯环C（60）衍生物的合成