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(+)-1R,3R,5S-1,8,8-三甲基-3-甲硫基-3-氧代-2,4,3-二氮磷杂二环[3,2,1]辛烷的合成、晶体结构和分子的绝对构型

Synthesis, Crystal Structure and Absolute Configuration of (+)-1R,3R,5S-1,8,8-Trimethyl-3-Methylthio-3-Oxo-2,4,3-diaza-Phosphabicyclo[3,2,1] Octane
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摘要 合成标题化合物的结构经X射线分析,其晶体空间群为P_(2_1),晶胞参数a=0.7566(1)、b=0.7708(2)、c=1.0255(1)nm,β=98.60(1)°,Z=2.分子骨架由磷、氮船式七元环组成,P—S键为e键,P—O键为a键。分子绝对构型根据分子中P、S原子对Cu Ka射线的反常散射效应确定。 The title compound was synthesized and its molecular structure was determined by X-ray diffraction analysis with Cu Ka radiation. The crystal belongs to space group P21 and the crystal cell parameters are:α=0. 7566(1) nm, b = 0. 7708(2) nm, c=1. 0255(1) nm,β = 98. 60(1)°, V = 0. 5913 nm3, Z=2. The molecular skeleton is composed of three rings, the sev-en-membered ring containing phosphorous and nitrogen atoms in boat conformation, in which the bond P-S is in equatorial and P-O in axial position; the six-membered ring and five-mem-bered ring are in chair form and envelop form, respectively. The absolute configuration was established by using the approciable anomalous scattering effect of P and S atoms.
出处 《高等学校化学学报》 SCIE EI CAS CSCD 北大核心 1991年第11期1483-1485,共3页 Chemical Journal of Chinese Universities
关键词 二氮磷杂二环 辛烷 合成 绝对构型 Diazaphosphabicyclo[3,2,1]octane, Synthesis, Crystal structure, Absolute configu-ration
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参考文献1

  • 1陈茹玉,中国科学.B,1988年,10卷,1037页

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