Nano titania-supported sulfonic acid (n-TSA) as an efficient, inexpensive, and reusable catalyst for one-pot synthesis of 1, 8-dioxo-octahydroxanthene and tetrahydrobenzo[b]pyran derivatives

Synthesis of tetrahydrobenzo[b]pyran under catalysis of NH 4 Al(SO 4 ) 2 ·12H 2 O (Alum)

(2017) Ali A. Mohammadi et al.   Arabian Journal of Chemistry

A facile microwave assisted one pot synthesis of novel xanthene derivatives as potential anti-inflammatory and analgesic agents

(2016) Anupam G. Banerjee et al.   Arabian Journal of Chemistry

Phospho sulfonic acid as efficient heterogeneous Brønsted acidic catalyst for one-pot synthesis of 14H-dibenzo[a,j ]xanthenes and 1,8-dioxo-octahydro-xanthenes

(2015) Sobhan Rezayati et al.   CHEMICAL PAPERS

Nano titania-supported sulfonic acid catalyzed synthesis of α,α′-bis(substituted-benzylidene)cycloalkanones and of their xanthene derivatives under solvent-free conditions

(2015) Ali Amoozadeh et al.   COMPTES RENDUS CHIMIE

One-pot solvent-free synthesis of 1,8-dioxo-octahydroxanthene derivatives using sulfonic acid-functionalized LUS-1 and their antimicrobial activities

(2015) Mahshid Rahimifard et al.   RESEARCH ON CHEMICAL INTERMEDIATES

Fe2+ supported on hydroxyapatite-core–shell-γ-Fe2O3 nanoparticles: Efficient and recyclable green catalyst for the synthesis of 14-aryl-14H-dibenzo[a,j]xanthene derivatives

(2015) Hakimeh Sadat Haeri et al.   RESEARCH ON CHEMICAL INTERMEDIATES

1-Butyl-3-methylimidazolium Hydrogen Sulfate [Bmim]HSO4: An Efficient Reusable Acidic Ionic Liquid for the Synthesis of 1,8-Dioxo-Octahydroxanthenes

(2015) Khodabakhsh Niknam et al.   JOURNAL OF THE CHINESE CHEMICAL SOCIETY

Nano titania-supported sulfonic acid: An efficient and reusable catalyst for a range of organic reactions under solvent free conditions

(2014) Salman Rahmani et al.   CATALYSIS COMMUNICATIONS

Zinc Chloride Catalyzed Collective Synthesis of Arylmethylene Bis(3- hydroxy-2-cyclohexene-1-ones) and 1,8-Dioxo-octahydroxanthene/acridine Derivatives

(2014) Subramaniapillai Ganesan et al.   LETTERS IN ORGANIC CHEMISTRY

CuO–CeO2 nanocomposite: A highly efficient recyclable catalyst for the multicomponent synthesis of 4H-benzo[b]pyran derivatives

(2013) Jalal Albadi et al.   CHINESE CHEMICAL LETTERS

N-sulfonic acid poly(4-vinylpyridinium) chloride: A novel polymeric and reusable catalyst for the preparation of xanthenes derivatives

(2013) Frahad Shirini et al.   DYES AND PIGMENTS

A Magnetic Particle-Supported Sulfonic Acid Catalyst: Tuning Catalytic Activity between Homogeneous and Heterogeneous Catalysis

(2012) Nadiya Koukabi et al.   ADVANCED SYNTHESIS & CATALYSIS

Alumina-sulfuric acid catalyzed eco-friendly synthesis of xanthenediones

(2012) Amit Pramanik et al.   CATALYSIS COMMUNICATIONS

Design, Synthesis and Anticancer Activity of N3,N11-Bis(2-hydroxyethyl)-14-aryl-14H-dibenzo[a,j]xanthenes-3,11-dicarboxamide

(2012) Yongbin Song et al.   CHEMICAL & PHARMACEUTICAL BULLETIN

Phenylboronic acid as an efficient and convenient catalyst for a three-component synthesis of tetrahydrobenzo[b]pyrans

(2012) Sara Nemouchi et al.   COMPTES RENDUS CHIMIE

Involvement of intracellular oxidative stress-sensitive pathway in phloxine B-induced photocytotoxicity in human T lymphocytic leukemia cells

(2012) Hang Qi et al.   FOOD AND CHEMICAL TOXICOLOGY

A facile and efficient synthesis of 2-amino-3-cyano-4H-chromenes and tetrahydrobenzo[b]pyrans using 2,2,2-trifluoroethanol as a metal-free and reusable medium

(2012) Samad Khaksar et al.   JOURNAL OF FLUORINE CHEMISTRY

[Et3NH][HSO4] catalyzed efficient and green synthesis of 1,8-dioxo-octahydroxanthenes

(2012) Zhongqiang Zhou et al.   JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL

Hantzsch reaction on free nano-Fe2O3 catalyst: excellent reactivity combined with facile catalyst recovery and recyclability

(2011) Nadiya Koukabi et al.   CHEMICAL COMMUNICATIONS

Basic ionic liquid-catalyzed multicomponent synthesis of tetrahydrobenzo[b]pyrans and pyrano[c]chromenes

(2011) Jia Zheng et al.   MENDELEEV COMMUNICATIONS

One-pot synthesis of tetrahydrochromene derivatives catalyzed by lipase

(2011) Jiang-Cheng Xu et al.   TETRAHEDRON

A green one-pot multicomponent synthesis of 4H-pyrans and polysubstituted aniline derivatives of biological, pharmacological, and optical applications using silica nanoparticles as reusable catalyst

(2011) Subhash Banerjee et al.   TETRAHEDRON LETTERS

A facile one-pot green synthesis and antibacterial activity of 2-amino-4H-pyrans and 2-amino-5-oxo-5,6,7,8-tetrahydro-4H-chromenes

(2009) Dalip Kumar et al.   EUROPEAN JOURNAL OF MEDICINAL CHEMISTRY

Ultrasound promoted rapid and green synthesis of 1,8-dioxo-octahydroxanthenes derivatives using nanosized MCM-41-SO3H as a nanoreactor, nanocatalyst in aqueous media

(2009) Shahnaz Rostamizadeh et al.   ULTRASONICS SONOCHEMISTRY

Silica sulfuric acid as an efficient catalyst for the preparation of 2H-indazolo[2,1-b]phthalazine-triones

(2008) Hamid Reza Shaterian et al.   APPLIED CATALYSIS A-GENERAL

High Surface Area MgO as a Highly Effective Heterogeneous Base Catalyst for Three-Component Synthesis of Tetrahydrobenzopyran and 3,4-Dihydropyrano[c]chromene Derivatives in Aqueous Media

(2008) Mohammad Seifi et al.   CATALYSIS LETTERS

Absorption and emission spectral shifts of rose bengal associated with DMPC liposomes

(2008) Cheng-Chung Chang et al.   DYES AND PIGMENTS

CeCl3·7H2O-Catalyzed Synthesis of 1-Oxo-hexahydroxanthene Derivatives in Aqueous Media

(2008) Gowravaram Sabitha et al.   SYNTHETIC COMMUNICATIONS

Sodium selenate catalyzed simple and efficient synthesis of tetrahydro benzo[b]pyran derivatives

(2007) Rahim Hekmatshoar et al.   CATALYSIS COMMUNICATIONS

An efficient synthesis of 1,8-dioxo-octahydro-xanthene derivatives promoted by a room temperature ionic liquid at ambient conditions under ultrasound irradiation

(2007) K. Venkatesan et al.   ULTRASONICS SONOCHEMISTRY