Synthesis and Crystal Structure of (2S,2 'S,4 'R)- 2-(1-Hydroxy- 1-ethylpropyl)- 1-[ (1�

来源 :结构化学 | 被引量 : 0次 | 上传用户:kikat
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
The title compound (2S,2'S,4'R)-2-(1hydroxy- 1 -ethylpropyl)- 1 -[(1'-p-tosyl-4'-hydroxypyrolidin-2'-yl)methyl]pyrrolidine synthesized by using (2S,4R)-4-hydroxy-L-proline and L-proline as the main materials was characterized through IR, 1H NMR, 13C NMR and HRMS spectra as well as single-crystal X-ray diffraction analysis. There is one equivalent ethanol involved in the crystal (C23H40N2O5S, Mr = 456.63). The crystal belongs to the triclinic system, space group P1, a = 6.5628(13), b = 8.4228(17), c = 11.957(2) (A), α = 80.54(3),β = 83.19(3), γ = 89.89(3)°, V=647.3(2) (A)3, Z = l, Dc = 1.171 g/cm3, λ(MoKα) = 0.71073 (A),μ = 0.158 mm-1, F(000) = 248, the final R = 0.0465 and wR = 0.1336 for 1769 observed reflections with I > 2σ(I). The adjacent molecules of compound 5 are linked through intermolecular hydrogen bonds formed by the secondary hydroxy group of one molecule with the tertiary hydroxy group of another one, and the molecular chains are further linked by ethanol through two kinds of hydrogen bonds with two molecules from different chains respectively to form a supramolecular structure.
其他文献
A new generalized extended F-expansion method is presented for finding periodic wave solutions of nonlinear evolution equations in mathematical physics. As an a
A new heterometallic complex { [Cu(pic)2(H2O)2][Cd2(Hdipic)2(H2O)2Cl2] }n (Mr =1007.73) has been synthesized under hydrothermal condition and characterized by s
We present a robust (n, n )-threshold scheme for multiparty quantum secret sharing of key over two collectivenoise channels (i.e., the collective dephasing chan
The effects of a quenched chaotic signal on the over-damped motion of the electron pairs of a superconducting junctions device are studied. It is shown that the
In this article, we will derive an equality, where the Taylor series expansion around ε = 0for any asymptotical analytical solution of the perturbed partial di
We propose a probabilistic scheme for realizing teleportation of bipartite photonic states using linear optical elements where only requires a two-photon Bell s
Background The increased use of ail-ceramic crown provides a rationale for tooth-colored core. Due to superior mechanicai properties, Vita Celay infiltration ce
A sinter-locked three-dimensional network of microfibrous nickel catalyst has been fabricated based on wet layup papermaking and sintering processes and this no
Based on the invariant eigen-operator method (IEO) [Phys. Lett. A 321 (2004) 75] we derive the exact energy gap for some Hamiltonians, which describe some polar
With the Breit interaction and quantum electrodynamics corrections considered, relativistic configuration interaction calculations have been carried out in the