مرور Volume 6, Issue 2 بر اساس عنوان

در حال نمایش موارد 1 - 13 از 13

Acetylation of alcohol, phenols, thiols and amine promoted by succinimidinium hydrogensulfate ([H-Suc]HSO4) in the absence of solvent

Shirini, Farhad؛ Goli-Jolodar, Omid؛ Seddighi, Mohadeseh (Islamic Azad University, Shahreza Branch, 2016-06-01)

Succinimidinium hydrogensulfate ([H-Suc]HSO4), as a new and stable derivative of succinimide, is easily prepared by the reaction of succinimide with neat sulfuric acid. This ionic liquid can be used as an efficient catalyst ...
AlHMS as an efficient catalyst for the synthesis of chromenes derivatives

Hajimohammadi, Mahdi (Islamic Azad University, Shahreza Branch, 2016-06-01)

Catalytic activity of AlHMS was investigated as a cheap heterogeneous reusable catalyst in some multi-component reactions for the synthesis of various chromenes. Three-component reaction of 2-hydroxy-naphtoquinone with an ...
Ammonium chloride catalyzed microwave-assisted synthesis of tetrahydrobenzo[b]pyrans

Pagore, Vijay؛ Tekale, Sunil؛ Jadhav, Vivekanand؛ Pawar, Rajendra (Islamic Azad University, Shahreza Branch, 2016-06-01)

In the present work, we have developed a mild, efficient, and environmentally benign method for the synthesis of tetrahydrobenzo[b]pyran derivatives via a three-component cyclocondensation of aldehydes, malononitrile and ...
Application of silica vanadic acid as a dual Lewis and Bronsted acid catalytic ability in Dakin West reaction

Safaiee, Malihe؛ Zolfigol, Mohammad Ali؛ Derakhshan-Panah, Fatemeh؛ Mokhlesi, Mohammad (Islamic Azad University, Shahreza Branch, 2016-06-01)

Silica Vanadic Acid, SVA, (oxo-vanadium has been supported on silica) as a dual Lewis and Bronsted acid ability was prepared and efficiently catalyzed one-pot multi-component condensation of enolizable ketones or alkyl ...
Environmentally benign synthesis of 1,8-dioxooctahydroxanthene derivatives using 10-molybdo-2-vanadophosphoric acid as an efficient and reusable catalyst under solvent-free condition

Chavan, Laxmikant؛ Nagolkar, Bhagwat؛ Chondhekar, Trimbak؛ Shankarwar, Sunil (Islamic Azad University, Shahreza Branch, 2016-06-01)

A green and efficient protocol for the synthesis of 3,3,6,6-tetramethyl-9-aryl-1,8-dioxooctahydroxanthene derivatives via cyclocondensation of 5,5-dimethyl-1,3-cyclohexanedione and aromatic aldehydes in the presence of ...
Et3N/H2O: A green and inexpensive organocatalytic medium for efficient Baylis-Hillman reaction

Abaee, Mohammad Saeed؛ Akbari, Ali؛ Mojtahedi, Mohammad Majid (Islamic Azad University, Shahreza Branch, 2016-06-01)

A new organocatalyzed method is developed for Baylis–Hillman reactions of cyclohex-2-enone with various aromatic aldehydes in the presence of water and catalytic quantities of triethylamine. All reactions take place at ...
Oxalic acid dihydrate catalyzed synthesis of 3,4-dihydropyrimidin-2-(1H)-one derivatives under thermal and solvent-free conditions

Mohamad Pour, Farzaneh؛ Maghsoodlou, Malek Taher؛ Heydari, Reza؛ Lashkari, Mojtaba (Islamic Azad University, Shahreza Branch, 2016-06-01)

Oxalic acid dihydrate as a green, mild and efficient catalyst for the one-pot three-component Biginelli synthesis of 3,4-dihydropyrimidin-2-(1H)-one derivatives from the reaction between β-keto esters (methyl or ethyl ...
Polymer-supported basic ionic liquid as an efficient heterogeneous catalyst system for straightforward synthesis of flavanones

Sayyahi, Soheil؛ Heidari, Somayeh (Islamic Azad University, Shahreza Branch, 2016-06-01)

Aromatic aldehydes are efficiently condensed with 2'-hydroxyacetophenone by polymer-supported basic ionic liquid as an excellent heterogeneous catalyst utilizing the Claisen–Schmidt reaction. Microwave irradiation has been ...
Polyvinylpolypyrrolidone supported chlorosulfonic acid: An efficient catalyst for the one-pot synthesis of hexahydroquinolines

Yosefzadeh, Mahshid؛ Mokhtary, Masoud (Islamic Azad University, Shahreza Branch, 2016-06-01)

ABSTRACT Polyvinylpolypyrrolidone supported chlorosulfonic acid ([PVPP-SO3H]+Cl-) was synthesized and evaluated as a recoverable catalyst for the one-pot synthesis of hexahydroquinolines by reaction of arylaldehydes, ...
Preparation, characterization and the use of sulfonic acid-functionalized phthalimide (SFP) as a highly efficient and green catalyst for the condensation of arylaldehydes with 2-naphthol

Zare, Abdolkarim؛ Reghbat, Fatemeh (Islamic Azad University, Shahreza Branch, 2016-06-01)

Phthalimide was reacted with chlorosulfonic acid to give sulfonic acid-functionalized phthalimide (SFP), which characterized by 1H NMR, 13C NMR, FT-IR, XRD (X-ray diffraction), SEM (scanning electron microscopy), EDX ...
Spotlight- Modified poly(vinylpyrrolidone)

Dalil Heirati, Seyedeh Zahra (Islamic Azad University, Shahreza Branch, 2016-06-01)

Cross-linked poly(vinylpyrrolidone) (PVP) is a heterogeneous and polymeric support that has been widely used in the preparation of numerous reagents and catalysts because of its commercial availability, stability, reasonable ...
Synthesis of arylidinebarbituric acid derivatives catalyzed by dodecylbenzenesulfonic acid (DBSA) in aqueous media

Hosseini, Hadis؛ Sheikhhosseini, Enayatollah؛ Ghazanfari, Dadkhoda (Islamic Azad University, Shahreza Branch, 2016-06-01)

A series of arylidine barbituric acid derivatives was synthesized by Knoevenagel condensation reaction of aromatic aldehydes with barbituric acid or thiobarbituric acid using dodecylbenzenesulfonic acid as a Brønsted ...
Vitamin C as a green and efficient catalyst in synthesis of quinoxaline derivatives at room temperature

Fahimi, Nafiseh؛ Sardarian, Alireza؛ Kazemnejadi, Milad (Islamic Azad University, Shahreza Branch, 2016-06-01)

A simple, highly efficient and green procedure for the condensation of o-phenylenediamines with 1, 2-dicarbonyl compounds in the presence of vitamin C, as an inexpensive organocatalyst, is described. Using this method, ...

مرور Volume 6, Issue 2 بر اساس عنوان

Acetylation of alcohol, phenols, thiols and amine promoted by succinimidinium hydrogensulfate ([H-Suc]HSO4) in the absence of solvent ﻿

AlHMS as an efficient catalyst for the synthesis of chromenes derivatives ﻿

Ammonium chloride catalyzed microwave-assisted synthesis of tetrahydrobenzo[b]pyrans ﻿

Application of silica vanadic acid as a dual Lewis and Bronsted acid catalytic ability in Dakin West reaction ﻿

Environmentally benign synthesis of 1,8-dioxooctahydroxanthene derivatives using 10-molybdo-2-vanadophosphoric acid as an efficient and reusable catalyst under solvent-free condition ﻿

Et3N/H2O: A green and inexpensive organocatalytic medium for efficient Baylis-Hillman reaction ﻿

Oxalic acid dihydrate catalyzed synthesis of 3,4-dihydropyrimidin-2-(1H)-one derivatives under thermal and solvent-free conditions ﻿

Polymer-supported basic ionic liquid as an efficient heterogeneous catalyst system for straightforward synthesis of flavanones ﻿

Polyvinylpolypyrrolidone supported chlorosulfonic acid: An efficient catalyst for the one-pot synthesis of hexahydroquinolines ﻿

Preparation, characterization and the use of sulfonic acid-functionalized phthalimide (SFP) as a highly efficient and green catalyst for the condensation of arylaldehydes with 2-naphthol ﻿

Spotlight- Modified poly(vinylpyrrolidone) ﻿

Synthesis of arylidinebarbituric acid derivatives catalyzed by dodecylbenzenesulfonic acid (DBSA) in aqueous media ﻿

Vitamin C as a green and efficient catalyst in synthesis of quinoxaline derivatives at room temperature ﻿

Acetylation of alcohol, phenols, thiols and amine promoted by succinimidinium hydrogensulfate ([H-Suc]HSO4) in the absence of solvent

AlHMS as an efficient catalyst for the synthesis of chromenes derivatives

Ammonium chloride catalyzed microwave-assisted synthesis of tetrahydrobenzo[b]pyrans

Application of silica vanadic acid as a dual Lewis and Bronsted acid catalytic ability in Dakin West reaction

Environmentally benign synthesis of 1,8-dioxooctahydroxanthene derivatives using 10-molybdo-2-vanadophosphoric acid as an efficient and reusable catalyst under solvent-free condition

Et3N/H2O: A green and inexpensive organocatalytic medium for efficient Baylis-Hillman reaction

Oxalic acid dihydrate catalyzed synthesis of 3,4-dihydropyrimidin-2-(1H)-one derivatives under thermal and solvent-free conditions

Polymer-supported basic ionic liquid as an efficient heterogeneous catalyst system for straightforward synthesis of flavanones

Polyvinylpolypyrrolidone supported chlorosulfonic acid: An efficient catalyst for the one-pot synthesis of hexahydroquinolines

Preparation, characterization and the use of sulfonic acid-functionalized phthalimide (SFP) as a highly efficient and green catalyst for the condensation of arylaldehydes with 2-naphthol

Spotlight- Modified poly(vinylpyrrolidone)

Synthesis of arylidinebarbituric acid derivatives catalyzed by dodecylbenzenesulfonic acid (DBSA) in aqueous media

Vitamin C as a green and efficient catalyst in synthesis of quinoxaline derivatives at room temperature