23755-78-4Relevant articles and documents
Quiescent affinity inactivators of protein tyrosine phosphatases
Taylor, William P.,Zhang, Zhong-Yin,Widlanski, Theodore S.
, p. 1515 - 1520 (1996)
-Halobenzylphosphonates were investigated as possible inactivators of protein tyrosine phosphatases (PTPases). These compounds inactivate the Yersinia PTPase (Yop51*Δ162) in a time- and concentration-dependent fashion. This inactivation is active-site dir
4-Aminophenyldiphenylphosphinite (APDPP), a new heterogeneous and acid scavenger phosphinite - Conversion of alcohols, trimethylsilyl, and tetrahydropyranyl ethers to alkyl halides with halogens or N-halosuccinimides
Iranpoor, Nasser,Firouzabadi, Habib,Gholinejad, Mohammad
, p. 1006 - 1012 (2007/10/03)
A new heterogeneous phosphinite, 4-aminophenyldiphenylphosphinite (APDPP), is prepared and used for the efficient conversion of alcohols, trimethylsilyl ethers, and tetrahydropyranyl ethers to their corresponding bromides, iodides, and chlorides in the presence of molecular halogens or N-halosuccinimides. The amino group in this phosphinite acts as an acid scavenger and removes the produced acid. A simple filtration easily removes the phosphinate by-product.
The Iodine Atom Transfer Addition Reaction (I-ATRA) initiated by AIBN: Optimization, scope and radical reaction pathways
Balczewski, Piotr,Szadowiak, Aldona,Bialas, Tomasz
, p. 22 - 35 (2007/10/03)
Optimization of reaction conditions (alkene, halide, solvent, stoichiometry, manners of the reagents addition, and reaction time) of the I-ATRA reactions involving 1-iodoalkylphosphonates was carried out. GC-MS-CI/EI analyses showed main and side products of this reaction and the corresponding radical reaction pathways leading to products derived from phosphorus and nonphosphorus containing iodides, as well as explained the source of hydrogen in radical reduction processes accompanying the I-ATRA reaction. Synthesis of some 3-iodoalkyl and 3-iodoalkenylphosphonates was also presented based on the optimized procedure.
PPh3/DDQ as a neutral system for the facile preparation of diethyl α-bromo, α-iodo and α-azidophosphonates from diethyl α-hydroxyphosphonates
Firouzabadi, Habib,Iranpoor, Nasser,Sobhani, Sara
, p. 203 - 210 (2007/10/03)
The mixture of triphenylphosphine (PPh3) and 2,3-dichloro-5,6-dicyanobenzquinone (DDQ) as a neutral system has been used for the preparation of various types of diethyl α-bromo, α-iodo and α-azidophosphonates from their corresponding diethyl α-
Controlled monohalogenation of phosphonates: A new route to pure α- monohalogenated diethyl benzylphosphonates
Iorga, Bogdan,Eymery, Frederic,Savignac, Philippe
, p. 2671 - 2686 (2007/10/03)
Starting from diethyl benzylphosphonates, a wide variety of diethyl α- monofluoro, chloro, bromo and iodobenzylphosphonates have been obtained in pure form by a one-pot procedure. This high yielding method implies the intermediate protection of the benzyl anion with TMSCI followed by halogenation with an electrophilic halogenating reagent.
PREPARATION OF DIETHYL 1-BROMOALKYLPHOSPHONATES
Gajda, Tadeusz
, p. 327 - 331 (2007/10/02)
Diethyl 1-bromoalkylphosphonates 1 have been obtained in good to moderate yields by the reaction of diethyl 1-hydroxyalkylphosphonates 2 with the triphenylphosphine-carbon tetrabromide system or dibromotriphenylphosphorane.
Preparation of styryl cyclopropane insecticide intermediates
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, (2008/06/13)
Styryl-cyclopropane derivatives of the formula STR1 in which R9 represents independently of one another when n=2, halogen, cyano, nitro, or an optionally halogen-substituted alkyl, alkoxy, alkylthio or alkylenedioxy radical, n represents zero,
