Asymmetric synthesis of all-carbon benzylic quaternary stereocenters via conjugate addition to alkylidene and indenylidene Meldrum's acids

A Wilsily, E Fillion - The Journal of Organic Chemistry, 2009 - ACS Publications
A systematic study outlining the enantioselective 1, 4-addition of dialkylzinc reagents to 5-(1-
arylalkylidene) and indenylidene Meldrum's acids is presented. Variation of the aryl and …

Reaction between alkyl isocyanides and isopropylidene Meldrum's acid in the presence of bidentate nucleophiles

I Yavari, M Sabbaghan, Z Hossaini - Molecular diversity, 2007 - Springer
The reaction between alkyl isocyanides and isopropylidene Meldrum's acid in the presence
of 1, 2-ethanediol leads to N 1-(alkyl)-2-(5, 7-dioxo-1, 4-dioxepane-6-yl)-2 …

A facile synthesis of stable phosphorus ylides derived from 3, 6‐dibromocarbazole and kinetic investigation of the reactions by UV spectrophotometry technique

SM Habibi‐Khorassani… - … Journal of Main …, 2008 - Wiley Online Library
Stable crystalline phosphorus ylides were obtained in excellent yields from the 1: 1: 1
addition reaction between triphenylphosphine and dialkyl acetylenedicarboxylates, in the …

Isocyanide‐Based Multicomponent Synthesis of Functionalized 2, 6‐Dioxohexahydropyrimidines in 1 M Aqueous Glucose

I Yavari, E Karimi, H Djahaniani - Synthetic Communications, 2007 - Taylor & Francis
Full article: Isocyanide‐Based Multicomponent Synthesis of Functionalized 2,6‐Dioxohexahydropyrimidines
in 1 M Aqueous Glucose Skip to Main Content Taylor and Francis Online homepage Browse …

Kinetic investigation of the reaction between triphenylphosphine, dialkyl acetylenedicarboxylate, and carbazole by the UV spectrophotometry technique

SMH Khorassani, MT Maghsoodlou… - … , Sulfur, and Silicon, 2006 - Taylor & Francis
The major objectives of the work undertaken were to carry out kinetic studies of the reaction
between triphenylphosphine and dialkyl acetylenedicarboxylate in the presence of strong …

Novel synthesis of stable 1, 5-diionic organophosphorus compounds from the reaction between triphenylphosphine and acetylenedicarboxylic acid in the presence of …

M Ziyaadini, MT Maghsoodlou, N Hazeri… - Monatshefte für Chemie …, 2012 - Springer
The addition of triphenylphosphine to acetylenedicarboxylic acid in the presence of N–H
heterocyclic compounds such as carbazole, 2-indolinone, 2-benzoxazolinone, 2 …

A new and efficient synthesis of highly functionalized (triphenylphosphoranylidene) cyclopentadienes with zwitterionic resonance structures

A Alizadeh - Helvetica chimica acta, 2005 - Wiley Online Library
Abstract Different esters of 2‐aryl‐4‐hydroxy‐3‐nitro‐5‐(triphenylphosphoranylidene)
cyclopenta‐1, 3‐diene‐1‐carboxylates 1 were prepared in excellent yields from the 1: 1: 1 …

Reaction between 5-benzylidene-2, 2-dimethyl-1, 3-dioxane-4, 6-dione and tert-butyl isocyanide in the presence of ethane-1, 2-diol or catechol

I Yavari, H Zare, B Mohtat - Journal of Chemical Research, 2007 - journals.sagepub.com
tert-Butyl isocyanide undergoes a smooth reaction with 5-benzylidene-2, 2-dimethyl-1, 3-
dioxane-4, 6-diones (benzylidene Meldrum's acids) in the presence of ethane-1, 2-diol or …

Synthesis of 1‐(2,6‐Dimethylphenyl)‐N‐hydroxy‐4,4‐dialkyl‐2,5‐dioxo‐N‐aryl‐3‐pyrrolidine‐carboxamides from Reaction of 2,6‐Dimethylphenyl Isocyanide …

A Habibi, L Mousavifar… - Synthetic …, 2008 - Taylor & Francis
Full article: Synthesis of 1‐(2,6‐Dimethylphenyl)‐N‐hydroxy‐4,4‐dialkyl‐2,5‐dioxo‐N‐aryl‐3‐pyrrolidine‐carboxamides
from Reaction of 2,6‐Dimethylphenyl Isocyanide, Alkylidene Meldrum's Acids, and …

Synthesis of stable 1, 4-diionic organophosphorus compounds from the reaction between triphenylphosphine and diaroylacetylenes in the presence of 5-aryl-4 …

NY Lisovenko, AV Dryahlov… - Phosphorus, Sulfur, and …, 2017 - Taylor & Francis
ABSTRACT Novel 1, 4-diionic organophosphorus compounds have been obtained
efficiently from the one-pot three-component reaction of triphenylphosphine …