Results 91 to 100 of about 1,271 (129)

Ultrasound assisted 1,4-diazabicyclo[2.2.2]octaniumdiacetate multicomponent synthesis of benzodiazepines: A novel, highly efficient and green protocol

open access: yesActa Chimica Slovenica, 2018
A simple and efficient method is presented for the synthesis of benzodiazepines through the multicomponent reaction of o-phenylenediamine, various aldehydes and 5,5-dimethylcyclohexane-1,3-dione (dimedone) in the presence of the acidic bis ionic liquid 1,
Leila Zare Fekri   +2 more
doaj   +1 more source

Trivalent transition metal complexes derived from thiocarbohydrazide and dimedone

open access: yes, 2014
Department of Chemistry, National Institute of Technology, Kurukshetra-136 119, Haryana, India E-mail : dpsinghchem@yahoo.co.in, rathiparveen28@gmail.com Fax : 91-1744-238050 Manuscript received online 30 April 2013, revised 24 May 2013, accepted 25 ...
Dharam Pal Singh, Parveen
core   +1 more source

10-Арил-7,7-диметил- 5,6,7,8,9,10-гексагидро-11Н-пиридо[3,2-b][1,4]бензодиазепин-9-оны

open access: yes
The synthesis of fused pyridobenzodiazepines from dimedone is ...
Petrova, Marina   +3 more
core  

Generation of pyrrolo[2,3-d]pyrimidines. Unexpected products in the multicomponent reaction of 6-aminopyrimidines, dimedone, and arylglyoxal.

open access: yes, 2010
A series of 6-aryl-5-(1-cyclohexen-1-yl)pyrrolo[2,3-d]pyrimidines 9a–q were obtained by the three-component reaction between 6-aminopyrimidines 6, 7, 8, dimedone 2, and arylglyoxal 5a,b.
Acosta, Paola A.   +13 more
core   +1 more source

One Pot Synthesis of Polyhydroquinolines Catalyzed by Sulfonic Acid Functionalized SBA-15 as a New Nanoporous Acid Catalyst under Solvent Free Conditions [PDF]

open access: yesIranian Journal of Chemistry & Chemical Engineering, 2010
Sulfonic acid functionalized SBA-15 (SBA-Pr-SO3H) as a new nanoporous acid catalyst was used in the one-pot synthesis of polyhydroquinolines derivatives via the Hantzsch four component condensation reaction of aldehydes, b-ketoesters, dimedone and ...
Ghodsi Mohammadi Ziarani   +3 more
doaj  

Applicability of dimedone assays for the development of online aldehyde sensor in seawater flooding systems

open access: yes, 2016
Biocides are oilfield chemicals that are widely used to control bacterial activitythroughout the oil industry. A feasibility study has been explored to develop detectiontechniques for biocide batch treatments, preferably on-line and in real-time ...
Akmal, N.   +7 more
core  

Diverse synthetic approach for sulfur and nitrogen-containing spiroheterocycles from dimedone and their pharmacological evaluation

open access: yes, 2019
Novel spiro(3-hydroxy-5,5-dimethyl)-1,5’-(2’-substituated[1,3,4]-oxadiazole/thiadiazolo[3,2-c] thiazolines and 3-hydroxy-5,5-dimethyl-spiro[cyclohex-2-ene-thiazolo/thiazino[3,2-b]-s-tetrazine were prepared from previously reported hydrazone ...
Ajaya Kumar Behera (7178360)   +3 more
core   +1 more source

Application of Sulfonic Acid Functionalized Nanoporous Silica (SBA-Pr-SO3H) in the Green One-pot Synthesis of Polyhydroacridine Libraries [PDF]

open access: yesIranian Journal of Chemistry & Chemical Engineering, 2013
1,8-Dioxo-decahydroacridines have been synthesized by the three-component reaction of aromatic aldehydes, aromatic amines (or ammonium acetate), and dimedone in the presence of sulfonic acid functionalized nanoporous silica (SBA-Pr-SO3H) under solvent ...
Ghodsi Mohammadi Ziarani   +4 more
doaj  

Electroreduction of 2-(3-nitro-1-phenylhydrazono)dimedone in buffered methanolic solutions [PDF]

open access: yes, 1991
561-563The electro reduction of 2-(3-nitro-1-phenylhydrazono) dimedone (3-NO2-1-PHD) has been carried out in buffered 60% (v/v)methanolic solutions in the pH range 2.0-12.0.
Vasudevan, D   +2 more
core  

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