36441-29-9Relevant articles and documents
Facile montmorillonite K-10-supported synthesis of xanthene derivatives under microwave and thermal conditions
Sharifi, Ali,Abaee, M. Saeed,Tavakkoli, Azam,Mirzaei, Mojtaba,Zolfaghari, Alireza
, p. 2958 - 2966 (2008)
Microwave-assisted and thermal condensations of aromatic and aliphatic aldehydes with β-naphthol adsorbed onto montmorillonite K-10 were conducted in a one-pot procedure leading to the formation of a variety of xanthene derivatives. Under microwave irradi
1,3-Dibromo 5,5-dimethylhydantoin (DBH): A novel and efficient catalyst for the synthesis of 14-aryl-14H-dibenzo[a, j] xanthenes under solvent-free conditions
Forouzani, Mehdi,Ghasemnejad-Bosra, Hassan,Habibzadeh, Setareh
, p. 957 - 960 (2011)
An atom-efficient and environment-friendly approach for the synthesis of aryl-14H-dibenzo[a,j]xanthenes (3a-o) via the one-pot reaction of β-naphthol and aryl aldehydes (1) catalyzed by DBH has been developed. The present approach offers several advantage
Cation-exchange resins: Efficient heterogeneous catalysts for facile synthesis of dibenzoxanthene from β-naphthol and aldehydes
Patil, Sachin,Bhat, Ramakrishna,Samant, Shriniwas
, p. 2163 - 2168 (2006)
β-Naphthol reacts with alkyl and aryl aldehydes in the presence of Indion-130 to give 14-alkyl/aryl-14H[ a,j ]dibenzoxanthenes in good yield. Copyright Taylor & Francis Group, LLC.
Synthesis of 14H-dibenzo xanthene derivatives using choline chloride/tin(II) chloride deep eutectic solvent and Fe3O4/?-carrageenan/Zn(II)
Shahabi, Dana,Tavakol, Hossein
, p. 135 - 142 (2017)
In this study, various xanthene derivatives have prepared efficiently through a simple method using choline chloride/tin(II) chloride (ChCl·2SnCl2) deep eutectic solvent (DES), alone, or in the presence of Fe3O4/?-carragee
Efficient synthesis of aryl-14H-dibenzo[a.j]xanthenes using NaHSO4-SiO2 or 5%WO3/ZrO2 as heterogeneous catalysts under conventional heating in a solvent-free media
Nagarapu, Lingaiah,Baseeruddin,Kumari, N. Vijaya,Kantevari, Srinivas,Rudradas
, p. 2519 - 2525 (2007)
A simpler and greener protocol has been developed for the preparation of aryl-14H-dibenzo[a.j]xanthenes: a one-pot condensation of β-naphthol and aryl aldehydes, in the presence of silica-supported sodium hydrogen sulfate (NaHSO4·SiO2) or tungstated zirco
Synthesis of 14-aryl-14H-dibenzo[a,j]xanthenes catalyzed by acyclic acidic ionic liquids
Fang, Dong,Liu, Zu-Liang
, p. 509 - 512 (2010)
Some recyclable acyclic SO3H-functionalized ionic liquids have been used as novel catalysts for the synthesis of 14-aryl-14H-dibenzo[a,j] xanthenes via the one-pot condensation of β-naphthol and aromatic aldehydes in aqueous medium. The condens
BF3·SiO2: an efficient alternative for the synthesis of 14-aryl or alkyl-14H-dibenzo[a,j]xanthenes
Mirjalili, Bi Bi Fatemeh,Bamoniri, Abdolhamid,Akbari, Ali
, p. 6454 - 6456 (2008)
Silica-supported boron trifluoride (BF3·SiO2) is an efficient, readily available, and reusable catalyst for the synthesis of 14-aryl or alkyl-14H-dibenzo[a,j]xanthenes by condensation of 2-naphthol and aldehydes. This reaction under
A clean, mild, and efficient preparation of aryl 14H-benzo[a,j]xanthene leuco-dye derivatives via nanocatalytic MCM-41-SO3h under ultrasonic irradiation in aqueous media
Fathollahi, Mostafa,Rostamizadeh, Shahnaz,Amani, Ali M.
, p. 5 - 13 (2018)
Aim and Objective: The present study has developed an efficient and eco-friendly protocol for the synthesis of aryl-14-H-dibenzo[a,j] xanthenes through a one-pot condensation reaction of 2-naphthol and arylaldehydes in aqueous media using the nanocatalyti
A simple and efficient one-pot bis-bromine-1,4-diazabicyclo [2.2.2]octane (Br2-DABCO) catalyzed synthesis of 14-aryl-14H-dibenzo[a,j]xanthenes under solvent-free conditions
Ghasemnejad-Bosra, Hassan,Forouzani, Mehdi
, p. 83 - 85 (2011)
Bis-bromine-1,4-diazabicyclo[2.2.2]octane (Br2-DABCO) is an efficient, readily available, and reusable catalyst for the synthesis of 14-aryl-14 H-dibenzo[a,j]xanthenes 3 by condensation of β-naphthol 2 and aldehydes 1. This reaction under solve
Design, synthesis and antiviral potential of 14-aryl/heteroaryl-14H- dibenzo[a, j]xanthenes using an efficient polymer-supported catalyst
Naidu, Kalla Reddi Mohan,Krishna, Balam Satheesh,Kumar, Mungara Anil,Arulselvan, Palanisamy,Khalivulla, Shaik Ibrahim,Lasekan, Ola
, p. 7543 - 7555 (2012)
Polyethyleneglycol bound sulfonic acid (PEG-OSO3H), a chlorosulphonic acid-modified polyethylene glycol was successfully used as an efficient and eco-friendly polymeric catalyst in the synthesis of 14-aryl/heteroaryl-14H-dibenzo[a, j]xanthenes