Benzo[b]phosphole and Derivatives

1971 ◽  
Vol 49 (3) ◽  
pp. 530-531 ◽  
Author(s):  
T. H. Chan ◽  
L. T. L. Wong
Keyword(s):  
Heterocyclic System ◽  
General Synthesis

A potentially general synthesis of 1-heteroindene has been developed and applied to the preparation of l-phenylbenzo[b]phosphole, a novel heterocyclic system.

A CONVENIENT AND GENERAL SYNTHESIS OF A NOVEL HETEROCYCLIC SYSTEM; 5H-[1,3,4]THIADIAZOLO[2,3-d] [1,2,4]TRIAZIN-5-ONES

2001 ◽  
Vol 174 (1) ◽  
pp. 129-132 ◽  
Author(s):  
Majid M. Heraw ◽  
Ghadir Rajabzadeh ◽  
Mohammad Rahimizadeh ◽  
Mehdi Bakavoli ◽  
Mitra Ghassemzadeh
Keyword(s):  
Heterocyclic System ◽  
General Synthesis

Is the World Progressing? A General Synthesis of Development Issues in the Current World.

2014 ◽  
Author(s):  
Wellington Garikai Bonga
Keyword(s):  
The World ◽  
General Synthesis

General Synthesis of Ordered Mesoporous Carbonaceous Hybrid Nanostructures with Molecularly Dispersed Polyoxometallates

2021 ◽  
Author(s):  
Chaoliang Tan ◽  
Chunhong Chen ◽  
Shanjun Mao ◽  
Zhe Wang ◽  
Yiyao Ge ◽  
...  
Keyword(s):  
Hybrid Nanostructures ◽  
Ordered Mesoporous ◽  
General Synthesis

scholarly journals Electrochemically Produced Copolymers of Pyrrole and Its Derivatives: A Plentitude of Material Properties Using “Simple” Heterocyclic Co-Monomers

Materials ◽  
2021 ◽  
Vol 14 (2) ◽  
pp. 281
Author(s):  
Tomasz Jarosz ◽  
Przemyslaw Ledwon
Keyword(s):  
Biological Activity ◽  
Material Properties ◽  
Building Block ◽  
Conjugated Polymer ◽  
Chemical Structure ◽  
Heterocyclic System ◽  
Repeat Unit ◽  
Polymeric Materials ◽  
Pyrrole Derivatives ◽  
Pyrrole Monomer

Polypyrrole is a classical, well-known conjugated polymer that is produced from a simple heterocyclic system. Numerous pyrrole derivatives exhibit biological activity, and the repeat unit is a common building block present in the chemical structure of many polymeric materials, finding wide application, primarily in optoelectronics and sensing. In this work, we focus on the variety of copolymers and their material properties that can be produced electrochemically, even though all these systems are obtained from mixtures of the “simple” pyrrole monomer and its derivatives with different conjugated and non-conjugated species.

Transition metal-free approach to azafluoranthene scaffolds by aldol condensation/[1+2+3] annulation tandem reaction of isocyanoacetates with 8-(alkynyl)-1-naphthaldehydes

2021 ◽  
Author(s):  
Penghui Dong ◽  
Kashif Majeed ◽  
lingna Wang ◽  
Zijian Guo ◽  
Fengtao Zhou ◽  
...  
Keyword(s):  
Transition Metal ◽  
Aldol Condensation ◽  
Domino Reaction ◽  
Tandem Reaction ◽  
Metal Free ◽  
Successive Formation ◽  
General Synthesis

A transition metal-free aldol condensation/[1+2+3] annulation reaction of isocyanoacetates with 8-(alkynyl)-1-naphthaldehydes has been developed for the general synthesis of azafluoranthenes. This domino reaction enables successive formation of three new bonds...

scholarly journals 7-Bromo-[1,2,5]selenadiazolo[3,4-d]pyridazin-4(5H)-one

Molbank ◽  
10.3390/m1229 ◽  
2021 ◽  
Vol 2021 (2) ◽  
pp. M1229
Author(s):  
Timofey N. Chmovzh ◽  
Oleg A. Rakitin
Keyword(s):  
Mass Spectrometry ◽  
Heterocyclic System ◽  
High Resolution Mass Spectrometry ◽  
Uv Spectroscopy ◽  
Hydrolysis Product ◽  
Selenium Dioxide ◽  
Biologically Active ◽  
Photovoltaic Materials ◽  
Organic Photovoltaic Materials ◽  
Ir And Uv Spectroscopy

New heterocyclic systems containing 1,2,5-chalcogenadiazoles are of great interest for the creation of organic photovoltaic materials and biologically active compounds. In this communication, 3,6-dibromopyridazine-4,5-diamine was investigated in reaction with selenium dioxide in order to obtain 4,7-dibromo-[1,2,5]selenadiazolo[3,4-d]pyridazine. We found that 7-bromo-[1,2,5]selenadiazolo[3,4-d]pyridazin-4(5H)-one, the first representative of the new heterocyclic system, was isolated as a hydrolysis product of the corresponding 4,7-dibromoderivative. The structure of the newly synthesized compound was established by means of elemental analysis, high-resolution mass spectrometry, 1H, 13C NMR, IR and UV spectroscopy, and mass spectrometry.

A general synthesis approach in action: preparation and characterization of polyoxomolybdenum(vi) organophosphonates through oxidative Mo–Mo bond cleavage in {MoV2O4}

CrystEngComm ◽  
2012 ◽  
Vol 14 (14) ◽  
pp. 4826 ◽  
Author(s):  
Lijuan Zhang ◽  
Jingmei Sun ◽  
Yunshan Zhou ◽  
Sadaf ul Hassan ◽  
Enbo Wang ◽  
...  
Keyword(s):  
Bond Cleavage ◽  
Action Preparation ◽  
General Synthesis ◽  
Synthesis Approach

ChemInform Abstract: GENERAL SYNTHESIS OF OPTICALLY ACTIVE 4-ALKYL (OR ALKENYL)-Γ-LACTONES FROM GLUTAMIC ACID ENANTHIOMERS

1977 ◽  
Vol 8 (21) ◽  
pp. no-no
Author(s):  
U. RAVID ◽  
R. M. SILVERSTEIN
Keyword(s):  
Glutamic Acid ◽  
Optically Active ◽  
General Synthesis

ChemInform Abstract: A General Synthesis of Dialkyl 1-(Triorganostannyl)alkylphosphonates.

ChemInform ◽  
2010 ◽  
Vol 22 (36) ◽  
pp. no-no
Author(s):  
N. MIMOUNI ◽  
E. ABOUT-JAUDET ◽  
N. COLLIGNON
Keyword(s):  
General Synthesis
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