Kinetics and Mechanism of the Aminolyses of Bis(2-oxo-3-oxazolidinyl) Phosphinic Chloride in Acetonitrile
作者:Hasi Rani Barai、Hai Whang Lee
DOI:10.5012/bkcs.2013.34.11.3218
日期:2013.11.20
) invariably increase from secondaryinverse to primary normal as the aniline becomes more basic, rationalized by the transition state variation froma backside to a frontside attack. For the pyridinolysis of 1, the authors propose a stepwisemechanism with arate-limiting step change from bond breaking for more basic pyridines to bond formation for less basicpyridines based on the selectivity parameters
)随着苯胺变得更加碱性,从背面到正面攻击的过渡状态变化合理化,总是从次要逆向增加到主要正常。对于 1 的吡啶解,作者基于选择性参数和活化参数提出了一种逐步机制,该机制具有从更多碱性吡啶的键断裂到更少碱性吡啶的键形成的限速步骤变化。与 X 的双相凹向上自由能关系归因于亲核试剂的攻击方向从具有更多碱性吡啶的正面攻击到具有较少碱性吡啶的背面攻击的变化。关键词:磷酸转移反应,苯胺分解,吡啶分解,双(2- oxo-3-oxazolidinyl) phosphinicchloride,
New Experimental Strategies in Amide Synthesis using<i>N,N</i>-Bis[2-oxo-3-oxazolidinyl]phosphorodiamidic Chloride
作者:Juan Cabré、Antonio Luis Palomo
DOI:10.1055/s-1984-30857
日期:——
CABRE-CASTELLVI J.; PALOMO-COLL A. L., TETRAHEDRON LETT., 1980, 21, NO 43, 4179-4182
作者:CABRE-CASTELLVI J.、 PALOMO-COLL A. L.
DOI:——
日期:——
CABRE, J.;PALOMO, A. L., SYNTHESIS, BRD, 1984, N 5, 413-417