A Ramazani… - Current Organic Chemistry, 2011 - ingentaconnect.com
Triphenylphosphine (TPP), dialkyl acetylenedicarboxylates (DAAD), and acids such as phenols, imides, amides, enols, oximes and alcohols react with each other via a …
A Ramazani, AR Kazemizadeh… - Current Organic …, 2008 - ingentaconnect.com
Stabilized phosphorus ylides, versatile intermediates in synthetic organic chemistry can be prepared by the novel reaction of dialkyl acetylenedicarboxylates (DAAD) …
MT Maghsoodlou, N Hazeri… - … , Sulfur, and Silicon, 2009 - Taylor & Francis
Stable crystalline phosphorus ylides containing chlorine and sulfur were obtained in excellent yields from the 1: 1: 1 addition reaction between triphenylphosphine and dialkyl …
I Yavari, A Mirzaei, L Moradi, N Hosseini - Tetrahedron Letters, 2008 - Elsevier
The 1: 1 intermediate generated by the addition of quinoline to dialkyl acetylenedicarboxylates is trapped by 1, 3-indanedione to yield dialkyl 3-spiroindanedione …
Thieme E-Journals - Synthesis / Full Text DE EN Home Products Journals Books Book Series Service Library Service Help Contact Portal SYNTHESIS Full-text search Full-text search …
The kinetics of the reaction between triphenylphosphine (TPP) and dimethyl acetylenedicarboxylate (DMAD) in the presence of Meldrum's acid (MA) for the generation of …
MT Maghsoodlou, SMH Khorassani… - … , Sulfur, and Silicon …, 2006 - Taylor & Francis
Stable crystalline phosphorus ylides were obtained in excellent yields from the 1: 1: 1 addition reaction between triphenylphosphine and di-tert-butyl acetylendicarboxylate, in the …
MR Islami, Z Hassani, H Sheibani, B Abdolahzadeh… - Tetrahedron, 2003 - Elsevier
A facile and chemoselective one-pot synthesis of stable phosphorus ylides containing a β- amino group has been developed via reaction of triphenylphosphine, dialkyl …
E Ghonchepour, MR Islami, H Mostafavi… - … , Sulfur, and Silicon …, 2018 - Taylor & Francis
ABSTRACT A concise synthesis of new polysubstituted pyrazoles containing a phosphorane is achieved from readily available organic compounds. This C–H bond functionalization is …