The base solvolysis of some S-phosphorylated derivatives of 2-mercaptoethanol
作者:D. C. Gay、N. K. Hamer
DOI:10.1039/j29700001123
日期:——
The preparation and base solvolyses of some S-phosphorylated derivatives of 2-mercaptoethanol and related compounds are reported. The fully esterified derivatives possessing favourable stereochemistryrearrange to the O-phosphorylated derivatives which then undergo elimination of an episulphide. In contrast, the mono-esterified derivatives eliminate alkoxide to give the cyclic intermediate [graphic
The (1,2) ambident nucleophilic anion diisopropylphosphite (RO)2PO− (R = Me2CH) reacts with Ph3—nPC1n (n = 1,2) to yield PP bonded derivatives Ph3—nP[P(O)(OR)2]n. The (1,3) ambident nucleophilic anions diisopropyl- phosphorothioate (RO)2POS−, and diisopropylphosphorodithioate (RO)2PS2− react with Ph3–nPCln (n = 1,2) to yield Ph3–nP[XP(Y)(OR)22n (X = O, Y = S; and X = Y = S, respectively): the analogous
的(1,2)两可亲核阴离子diisopropylphosphite(RO)2 PO -(R =我2 CH)的Ph发生反应3- Ñ PC1 Ñ(Ñ = 1,2),以产生结合PP衍生物博士3- Ñ P [P(O)(OR)2 ] ñ。的(1,3)两可亲核阴离子的二异丙基硫代磷酸酯(RO)2 POS - ,和diisopropylphosphorodithioate(RO)2 PS 2 -的Ph反应3- Ñ的PCl Ñ(Ñ = 1,2)以获得pH 3- ÑP [XP(Y)(OR)2 2 Ñ(X = O,Y = S;和X = Y = S,分别地):类似diisopropylphosphoroselenoate(RO)2姿态-的Ph发生反应2 PCL为了使pH值为2 P [OP(Se)(OR)2 ],但是PhP [OP(Se)-(OR)2 ] 2太不稳定而无法表征。根据31 P NMR数据进行结构分配:讨论了异构化的热力学。
Synthesis, characterization and spectral studies of bis(O,O-dialkylmonothiophosphato)cobalt(II) complexes and their adducts with nitrogen base ligands: Crystal structures of [Co{O(S)P(OPri)2}2(C5H5N)4] and [Co{O(S)P(OPrn)2}2(C10H8N2)2]
作者:Ann L. Bingham、John E. Drake、Michael B. Hursthouse、Mark E. Light、Manisha Nirwan、Raju Ratnani
DOI:10.1016/j.poly.2008.01.037
日期:2008.4
octahedral adducts [CoO(S)P(OPri)2}2(C5H5N)4], [CoO(S)P(OPrn)2}2(C10H8N2)2] and [CoO(S)P(OBun)2}2(C10H8N2)2]. These compounds were characterized by elemental analysis, IR spectroscopy, magnetic measurements and the single crystal X-ray diffraction structures of two of the adducts of the monothiophosphate complexes, [CoO(S)P(OPri)2}2(C5H5N)4] and [CoO(S)P(OPrn)2}2(C10H8N2)2], which are the first
The ambident nucleophile diisopropylphosphorothioate, (Me2CHO)2POS− reacts with halides of silicon, germanium and tin to yield O-bonded derivatives (Me2CHO)2P(S)OMR3 (M = Si, Ge, Sn; R = Me, Ph). These findings are discussed in terms of the energetics of the isomerisation: (Me2CHO)2P(S)OMR3 → (Me2CHO)2P(O)SMR3.