SULFOACIDS OF SUBSTITUTED N,N-DIPHENYLDIIMIDES AND DIBENZIMIDAZOLES OF 3,4,9,10-ANTANTRONTETRACARBOXYLIC ACID AS MATERIALS FOR FORMING SUPERTHIN LIGHT- AND...

FIELD: organic chemistry. SUBSTANCE: new compounds sulfoacids of substituted N,N-diphenyldiimides or dibenzimidazoles of 3,4,9,10-antantrontetracarboxylic ...

IG Khan，GN Vorozhtsov，NA Rodina，...

Novel Derivatives of 1,6,7,12-Tetrachloroperylene-3,4,9,10-Tetracarboxylic Acid: Synthesis, Electrochemical and Optical Properties

A family of novel unsymmetrical "peri"-substituted perylene-3,4,9,10-tetracarboxylic acid derivatives (5-10), with 1,6,7,12-tetrachloro-substituents at the bay-positions, has been synthesized. Subsequently, their redox and optical proper...

RK Dubey，N Westerveld，Ernst JR Sudhlter，... - 《Organic Chemistry Frontiers》

Synthesis and study of polymers prepared from dianhydrides of 3,4,9,10-perylene-1,4,5,8-naphthalene tetracarboxylic acids and aromatic tetra-amines - ScienceDirect

Low molecular weight products of the condensation of dianhydride of perylene tetracarboxylic acid (DAPTA) with tetra-aminodiphenyl ester (TADPE) and high molecular weight soluble polyaminoamido acids containing alternating naphthalene an...

SI Belykh，YA Gushchina，BI Liogon'Kii，... - 《Polymer Science U.s.s.r》

Reaction of alpha-oxoketenes with 2-substituted benzothiazoles and benzimidazoles: synthesis of benzo[4,5]thiazolo[3,2-a]pyridinone and N-(1,3-benzothiazol...

A fast and simple procedure for the synthesis of pyrimidinone derivatives via the cyclocondensation reactions of alpha-oxoketenes with 2-substituted benzot...

M Zahedifar，H Sheibani - 《Chemistry of Heterocyclic Compounds》

Reaction of alpha-oxoketenes with 2-substituted benzothiazoles and benzimidazoles: synthesis of benzo[4,5]thiazolo[3,2-a]pyridinone and N-(1,3-benzothiazol...

A fast and simple procedure for the synthesis of p

Zahedifar，Mahboobeh，Sheibani，... - 《Chemistry of Heterocyclic Compounds》

Synthesis of 2,5-disubstituted benzimidazoles, 1,3,4-thiadiazoles and 3,5-diiodosalicylanilides as structural congeners of rafoxanide and closantel

The synthesis of a series of 2,5-disubstituted benzimidazoles (8-10, 13), substituted 3,5-diodosalicylanilides (6, 7, 11, 12, 16-29), 2-(4-substituted phenyl)-4-aroylamino-1,3,4-thiadiazoles (33-38) and benzoxazines (14, 30, 31) has been...

RP Srivastava，S Sharma - 《Die Pharmazie》

Desulfurization of thioureas, benzimidazoline-2-thiones and 1,3-dihydro-1,3-diaryl-2-thioxopyrimidine-4,6 (2 ,5 )-diones with nickel boride at ambient temp...

Nickel boride is reported to bring about desulfurization and reductive cleavage ofN,N′-diarylthioureas to give corresponding anilines andN-methylanilines ...

JM Khurana，G Kukreja，G Bansal - 《Cheminform》

Highly arylated bis-cyclopentadienones in the synthesis of aromatic condensation monomers and polymers

A great variety of condensation monomers—highly arylated bis-cyclopentadienones—have been prepared by the reaction of bis( α-diketones) with two-fold mo...

AL Rusanov，DY Likhachev，OV Kozlova，... - 《Progress in Polymer Science》

Phthalocyanine polymers

Method of forming 4,4',4 ,4' -tetraamino phthalocyanines by reducing 4, 4',4 ,4' -tetranitro phthalocyanines, polymerization of the metal tetraamino phthalocyanines with a tetracarboxylic dianhydride (preferably aromatic) or copolymeriza...

BN Achar，GM Fohlen，JA Parker - US

New rigid-chain copoly(naphthoyleneimidobenzimidazoles) and their films

; ; ; ; Russian acad. sci., Nesmeyanov inst. organoelement compounds, Moscow 117813, RUSSIE, FEDERATION DENew copoly(naphthoyleneimidobenzimidazoles) were ...

PONOMAREV，I I.，NIKOL'SKII，... - 《Polymer Science》