Heterocyclic Letters - oalib

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Heterocyclic Letters

ISSN Print: 2231-3087

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主页: http://www.heteroletters.org

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SYNTHESIS OF TRISUBSTITUTED PURINE COUPLED WITH CARBOXAMIDE DERIVATIVES OF AMINO ACIDS Synthese trisubstituierter PURINE MIT CARBOXAMIDE COUPLED Derivate von Aminos uren.

Sachin Pande, Prashant Utale, Suresh Gholse, Pradip Tekade, Shubhangi Patil

SYNTHESIS AND ANTIMICROBIAL SCREENING OF NOVEL ISOXAZOLYL THIAZOLO[5,4-d] PYRIMIDINE-2,5-(1H,4H)-DITHIONES SYNTHESIS und antimikrobielle Screening nach neuen Isoxazolyl Thiazolo [5,4-d] PYRIMIDIN-2, 5 - (1H, 4H)-Dithione

E. Rajanarendar, D. Nagaraju, S. Rama Krishna

SYNTHESIS OF 3-CARBOXYCOUMARINS USING PHASE TRANSFER CATALYSIS Synthese von 3-CARBOXYCOUMARINS VERWENDUNG Phasentransferkatalyse

M.S Lambaa , J.K Makrandib and Suresh Kumar

A FACILE ONE-POT SYNTHESIS OF NOVEL 1,1′-(ALKANEDIYL)BIS(5-OXO-3- ALKYL/ARALKYL/ARYL-1,2,3,4,5,6,7,8-OCTAHYDROQUINAZOLINES and THEIR ANTI-BACTERIAL ACTIVITIES A FACILE ONE-POT Synthese von neuartigen 1,1 '- (Alkandiyl) BIS (5-oxo-3- ALKYL/ARALKYL/ARYL-1,2,3,4,5,6,7,8-OCTAHYDROQUINAZOLINES and their Anti-bakterielle AKTIVIT TEN

Madhusudhan Saha and Jai N. Vishwakarma

SYNTHESIS, SPECTRAL ANALYSIS AND IN VITRO BIOLOGICAL EVALUATION OF AZETIDINONE DERIVATIVES OF 5-NITROINDAZOLE Synthese, Spektralanalyse und in vitro biologische Bewertung VON Azetidinonderivate 5-Nitroindazol

Neeta Rajput, A. K. Sikarwar, Adesh Dubey

InCl3-MEDIATED, SOLVENT FREE CONRAD-LIMPACH REACTION: FACILE AND EFFICIENT ONE POT METHOD FOR THE SYNTHESIS OF QUINOLONES InCl3 VERMITTELTEN, l semittelfrei CONRAD-LIMPACH REAKTION: einfache und EFFICIENT ONE POT Verfahren für die Synthese von Chinolonen

Raja S.Bhupathi, B. RamaDevi and P. K. Dubey

SYNTHESIS, CHARACTERIZATION AND ANTIMICROBIAL EVALUATION OF PYRIDINE BASED THIAZOLIDINONES Synthese, Charakterisierung und antimikrobiellen BEWERTUNG DER Pyridinbasis Thiazolidinone

Keerthi Kumar Kodari, O. P. Chourasia

CATALYST-FREE SYNTHESIS OF FURANO- AND PYRANOQUINOLINES BY USING GLYCEROL AS RECYCLABLE SOLVENT CATALYST-FREE SYNTHESE VON FURANO-UND PYRANOQUINOLINES DURCH DIE VERWENDUNG Glycerin als RECYCLABLE SOLVENT

Jaishree L.Somwanshi, N.D.Shinde, Mazhar Faruqui

SYNTHESIS OF CHALCONES BY A CLAISEN – SCHMIDT REACTION USING MAGNESIUM HYDROGEN SULPHATE AS A CATALYST UNDER SOLVENT – FREE CONDITION SYNTHESIS von Chalkonen durch eine Claisen - SCHMIDT Reaktion mit MAGNESIUM Hydrogensulfat als Katalysator unter SOLVENT - FREE CONDITION

Jayapal .Maleraju, and N.Y. Sreedhar

DIVERSE REACTIONS OF )/β-MERCAPTOALKANOIC ACIDS: IN THE SYNTHESES OF CONDENSED FUSED POLYCYCLIC HETEROCYCLES DIVERSE REAKTIONEN VON) / β-Mercaptoalkans ure ACIDS: In den Synthesen von CONDENSED polycyclischen HETEROCYCLEN

Batchu Chandrasekhar

SYNTHESIS OF PYRIMIDINE AND PYRIMIDINTHIONE Synthese von Pyrimidin-und PYRIMIDINTHIONE

N.A.A.Elkanzi

TBAHS CATALYZED COUPLING REACTIONS OF ARYL IODIDES AND ARYL BROMIDES WITH THIOLS UNDER SOLVENT FREE CONDITIONS TBAHS katalysierten Kupplungen von Aryliodiden und-Arylbromiden mit Thiolen unter l sungsmittelfreien freien Bedingungen

Gajendera Singha, Ajay kumarb , Sakshi Malikc, Preeti Chaudharyd

MICROWAVE PROMOTED SUZUKI COUPLINGS OF 2,6-DIBROMO PYRIDINE WITH ARYL BORONIC ACIDS : SYNTHESIS OF MONO AND DIARYL PYRIDINES MICROWAVE PROMOTED Suzuki-Kupplungen von 2,6-DIBROMO PYRIDINE Mit Arylborons uren: Synthese von Mono-und Diaryl PYRIDINE

Hemasri Y, Mallikarjun,Jayaprakash Rao Y

CONDENSATION REACTIONS OF 3-PHENACYLIDENE-2-INDOLINONE WITH 1,3- DINUCLEOPHILES SUCH AS GUANIDIN HYDROCHLORIDE AND HYDRAZINE HYDRATE TO PREPARE SPIRO COMPOUNDS Kondensationsreaktionen von 3-PHENACYLIDENE-2-Indolinon mit 1,3 - Dinukleophilen WIE Guanidin-Hydrochlorid und HYDRAZINE HYDRATE Spiroverbindungen PREPARE

Golnaz kazemi, Mohammad seifi and Hassan sheibani

GLYCOLIC ACID AS A NOVEL AND GREEN SOLVENT FOR THE PREPARATION OF 3, 4-DIHYDROPYRIMIDIN-2(1H)-ONES Glykols ure als eine neuartige und GREEN L sungsmittel für die Herstellung Von 3, 4-dihydropyrimidin-2 (1H)-one.

Neda Seyedi

SYNTHESIS, DOCKING AND BIOLOGICAL EVALUATION OF 1,4–DIHYDROPYRIDINE DERIVATIVES SYNTHESIS, DOCKING und biologische Evaluierung von 1,4 -Dihydropyridinderivaten

Sonali R. Deshmane, Deepak K. Landge, Rohan V. Bamane, Trupti S. Chitre , Sumit B. Kamble

SYNTHESIS, REACTIONS AND BIOLOGICAL ACTIVITY OF DERIVATIVES OF OXIMES OF THREE-MEMBERED HETEROCYCLES Synthese, Reaktionen und biologische Aktivit t von DERIVATE Oxime DREIGLIEDRIGEM HETEROCYCLEN

Edgars Abele

SYNTHESIS AND MICROBIAL EVALUATION OF NOVEL TETRAZOLO-TRIAZOLE DERIVATIVES SYNTHESIS und mikrobielle Evaluierung neuartiger Tetrazolo-triazol DERIVATE

Vijay V Dabholkar, Navnath Shinde, Abhishekh Karekar and Prem Naik

SYNTHESIS AND ANTIMICROBIAL EVALUATION OF SOME HETEROCYCLIC SULFONAMIDE DERIVATIVES SYNTHESIS und antimikrobielle Auswertung einiger HETEROCYCLISCHE Sulfonamidderivaten

Shrinivas S. Kottawar, Santosh V. Goswami, Wamanrao N. Jadhav, Sudhakar R.Bhusare

AN EFFICIENT CLAY CATALYZED CYCLIZATION OF SUBSTITUTED PROPENAMIDE TO ISOXAZOLINE AN EFFICIENT CLAY Cyclisierung SUBSTITUIERTER Propenamid TO Isoxazolin

Sonal D. Bajaj, Om A. Mahodaya, Pradip V. Tekade

SYNTHESIS AND SPECTRAL STUDIES OF NOVEL BIS-CHROMENE BY THE CYCLIZATION OF N, N'-METHYLENEBIS(2-CHLOROACETAMIDE) WITH SALICYLDEHYDE Synthese und spektrale STUDIUM DER NEUE BIS-chromen durch die Cyclisierung von N, N'-Methylen-bis (2-CHLOROACETAMIDE) MIT SALICYLDEHYDE

Vijay V. Dabholkar and Sagar D. Parab

MICROWAVE ASSISTED SYNTHESIS OF 3-PHENYLCOUMARINS UNDER SOLVENT FREE CONDITIONS USING TRITON-B ADSORBED ON FLYASH AS SOLID SUPPORT Mikrowellen unterstützte Synthese von 3-Phenylcumarine UNTER L SUNGSMITTELFREI Bedingungen mit TRITON-B ON Flugasche als adsorbierte SOLID SUPPORT

Ashish Kumar, Sharda Goel and Vijender Goel

SYNTHESIS OF ARYLMETHYLIDENE-ISOXAZOL-5(4H)-ONES IN WATER CATALYZED BY SODIUM CITRATE SYNTHESE VON Arylmethyliden-isoxazol-5 (4H)-one IM WASSER Katalysiert durch Natriumcitrat

HamzehKiyani, FatemehGhorbani

SILICA SUPPORTED PERCHLORIC ACID: AN EFFICIENT CATALYST FOR THE SYNTHESIS OF CIS-ISOQUINOLONIC ACIDS Siliciumdioxid PERCHLORS URE: AN effizienter Katalysator für die Synthese von cis-ISOQUINOLONIC S UREN

JAISHREE L.SOMWANSHI, N.D.SHINDE, B.A.ARBAD, MAZHAR FARUQUI

MICROWAVE ASSISTED SOLVENT-FREE SYNTHESIS OF PYRAZOLO [4,3-C] QUINOLINES USING MONTMORILLONITE K-10 CLAY: AN ENVIRONMENTAL BENIGN APPROACH Mikrowellenunterstützten L SEMITTELFREIE SYNTHESIS von Pyrazolo [4,3-c] Chinoline VERWENDUNG Montmorillonit K-10 CLAY: AN UMWELT Gutartige ANSATZ

Raja S.Bhupathi, B.RamaDevi and P.K.Dubey

SYNTHESIS OF N-{[7-METHOXY-2-(4-METHOXYPHENYL)-1-BENZOFURAN -5-YL]METHYL}CYCLOPENTANAMINE BY REDUCTIVE AMINATION Synthese von N-{[7-METHOXY-2-(4-methoxyphenyl)-1-BENZOFURAN -5-yl] methyl} cyclopentanamine durch reduktive Aminierung

Bapu R Thorat, Dyaneshwar Shelke, Ramdas G Atram and Ramesh S Yamgar

SYNTHESIS AND BIOLOGICAL EVALUATION OF NOVEL N-(SUBSTITUTED BENZYL)-N-PROPYL-2-(TRICHLOROMETHYL) QUINAZOLIN-4-AMINE DERIVATIVES AS CYTOTOXIC AGENTS Synthese und biologische Evaluierung neuartiger N-(SUBSTITUIERTEN BENZYL)-N-propyl-2-(trichlormethyl) chinazolin-4-amin DERIVATE ALS zytotoxischen Wirkstoffen

Maneesh Kumar Srivastav, N. Srinivasulu, S. M. Shantakumar

SYNTHESIS AND BIOLOGICAL STUDIES OF OXADIAZOLO-THIADIAZINES SYNTHESIS und biologische Studien an oxadiazolo-thiadiazine

Vijay V Dabholkar, Prem Naik, Abhishek Karekar and Navnath Shinde

REGIOSELECTIVE REACTIONS OF 3-ALKYL-1-PHENYL-2-PYRAZOLIN-5-ONES WITH ACYL HALIDES IN THE PRECENCE OF NONOSIZED MAGNESIUM HYDROXIDE AS A HIGHLY EFFECTIVE HETEROGENOUS BASE CATALYST Regioselektive Reaktionen von 3-Alkyl-1-PHENYL-2-pyrazolin-5-ONES Mit Acylhalogeniden IN DER PRECENCE DER NONOSIZED MAGNESIUM HYDROXIDE als hochwirksame heterogene BASE CATALYST

Hassan Sheibani and Bahman Massomi Nejad

PALLADIUM-CATALYZED ROUTE TO NOVEL FIVE- AND SIX-CYCLIC HETEROCYCLIC SYSTEMS CONTAINING THIAZOLE, IMIDAZOLE AND OXEPINE RINGS Palladium-katalysierten Weg zu neuen Fünf-und Sechs-CYCLIC HETEROCYCLISCHE Systemen mit Thiazol, Imidazol UND oxepin RINGS

Tatjana Beresneva, Sergey Belyakov, Edgars Abele

SYNTHESIS, CHARACTERIZATION OF SOME MANNICH BASE NEW 1, 3, 4- OXADIAZOLE-2-THIONE DERIVATIVES SYNTHESIS, Charakterisierung einiger Mannichbase NEU 1, 3, 4 - Oxadiazol-2-thion DERIVATE

Seyed Iraj Sadraei,Seyed Abolfazl Seyed Sajadi,Shahriar Ghammamy,Masoumeh Alem, Zahra Shokri, Hajar Sahebalzamani

SYNTHESIS AND ANTITUBERCULAR ACTIVITY OF SOME THIAZOLIDINONE DERIVATIVES INCORPORATING WITH PHENOTHIAZINE MOIETY SYNTHESE UND antituberkul se Aktivit t einiger Thiazolidinon Derivate, die mit Phenothiazin-Einheit

Nareshvarma Seelam, S. P. Shrivastava, S. Prasanthi

A HIGHLY EFFICIENT SOLVENT FREE SYNTHESIS OF HYDRAZIDES USING GRINDING TECHNIQUE Eine hocheffiziente L SUNGSMITTELFREI SYNTHESIS der Hydrazide VERWENDUNG Schleiftechnik

Ashish Kumar, Anshu Jakhar and J.K. Makrandi

SYNTHESIS OF NOVEL ANALOGS 3,4- DIHYDRO-1H-QUINOLIN-2-ONE DERIVATIVES AS TYPICAL ANTIDEPRESSANT, SEDATIVE AND ANTIPARKINSON AGENTS. Synthese von neuartigen ANALOGA 3,4 - DIHYDRO-1H-chinolin-2-ONE DERIVATE als typische Antidepressiva, Beruhigungsmittel und Antiparkinsonmittel.

Nandini R. Pai and Deeptaunshu Atul Pusalkar , Dileep Khandekar

ZINC OXIDE NANOPARTICLES: AN ENVIRONMENTALLY BENIGN AND REUSABLE CATALYST FOR THE SYNTHESIS OF 1,8-DIOXOOCTAHYDROXANTHENE DERIVATIVES UNDER SOLVENT-FREE CONDITIONS Zinkoxid-Nanopartikeln: AN umweltfreundliche und WIEDERVERWENDBAR Katalysator für die Synthese von 1,8-DIOXOOCTAHYDROXANTHENE Derivate unter l sungsmittelfreien Bedingungen

G. B. Dharma Rao,M. P. Kaushik, A. K. Halve

SYNTHESIS OF SOME NEW PYRAZOLO [1,5-A] PYRIMIDINES AND THEIR CNS ACTIVITY Synthese einiger NEU PYRAZOLO [1,5-a] pyrimidine UND IHRE CNS ACTIVITY

U. Gupta, V. Khatri, S. Sareen and V. Sareen

SYNTHESIS, CHARACTERIZATION AND BIOCIDAL ACTIVITY OF NOVEL HALOGENATED - 4-[(SUBSTITUTED-BENZOTHIAZOL-2-YL) HYDRAZONO]-2-(SUBSTITUTED-PHENYL)-5-METHYL /ETHOXY -2,4-DIHYDRO-PYRAZOL-3-ONE DERIVATIVES Synthese, Charakterisierung und biozide Aktivit t NOVEL HALOGENIERTEN - 4 - [(substituiertes-benzothiazol-2-YL) hydrazono] -2 -(Substituiertes Phenyl)-5-Methyl / ETHOXY -2,4-DIHYDRO-pyrazol-3-ONE DERIVATE

V. Khatri, K. Sharma, V. Sareen, D. Shinde and S. Sareen

APPLICATION OF SCHOTTEN–BAUMANN AND GABRIEL- MICHAEL REACTION FOR SYNTHESIS OF NOVEL PHTHALAZINE DERIVATIVES ANWENDUNG Schotten-Baumann-UND GABRIEL-Michael-Reaktion FüR Synthese neuartiger PHTHALAZINE DERIVATE

Vijay K. Rakholiya, Rohan V. Bamane, Trupti S. Chitre, Sanjay I. Sutaria, Deepak K. Landge

SOLVENT-FREE SPLENDID ONE POT SYNTHESIS OF 2-AMINO-6-(SUBSTITUTEDPHENYL)-5-METHYLPYRIMIDIN-4-OL USING PEG-400 L SEMITTELFREIE SPLENDID Eintopfsynthese von 2-Amino-6-(SUBSTITUTEDPHENYL)-5-methylpyrimidin-4-ol mit PEG-400

Suresh Maddila, Sreekanth B Jonnalagadda, Venkatarao Chunduri, Palakondu Lavanya

A MILD AND EFFICIENT THREE COMPONENT ONE- POT SYNTHESIS OF NOVEL 9-ARYL-2-SULFANYL-5, 9-DIHYDRO-1H-IMIDAZO[4,5-H][4,1] BENZOTHIAZEPIN-6[7H]-ONES Eine milde und effiziente Drei-Komponenten-Eintopfsynthese NEUARTIGER 9-Aryl-2-sulfanyl-5, 9-Dihydro-1H-imidazo [4,5-h] [4,1] Benzothiazepin-6 [7H]-ONES

Anisetti Ravinder nath and Malladi Srinivas reddy

A NEW COPPER-CATALYZED PATHWAY TO BENZO AND PYRIDYL FUSED IMIDAZO-, TRIAZOLO- AND PYRIMIDO-THIAZINES Eine neue Kupfer-katalysierten Weg zu Benzo und Pyridyl FUSED IMIDAZO-, TRIAZOLO-UND Pyrimido-Thiazine

Edgars Abele, Tatjana Beresneva, Sergey Belyakov,Juris Popelis, Kira Rubina

ONE-POT, THREE-COMPONENT, GREEN SYNTHESIS OF SOME INDENO[2`,3`:5,6] PYRIDO[2,1-b]BENZOTHIAZOLES AND INDENO[2`,3`-e]THIAZOLO[3,2 a]PYRIDINES ONE-POT, Drei-Komponenten, GREEN Synthese einiger INDENO [2 `, 3`: 5,6] pyrido [2,1-b]Benzothiazole und INDENO [2 `, 3`-e] THIAZOLO [3,2 a] PYRIDINE

Essam M. Hussein

MICROWAVE-ASSISTED SYNTHESIS OF 1,3,4 –OXADIAZOLES CONTAINING PYRAZOLONES Mikrowellen-unterstützte Synthese von 1,3,4-Oxadiazole ENTHALTEN Pyrazolone

L.K.Ravindranath, E.V.Suresh Kumar, K.Srikanth Y.N.Spoorthi, and P.Phebe

A NEW PATHWAY FOR THE PREPARATION OF 3-SUBSTITUTED 1,2,4- OXADIAZEPINES BY INTRAMOLECULAR PALLADIUM CATALYZED CYCLIZATION OF (E)-O-(2-IODOPHENYLMETHYL) AMIDOXIMES Ein neuer Weg FüR DIE VORBEREITUNG von 3-substituierten 1,2,4 - OXADIAZEPINES durch intramolekulare Palladium-katalysierten Cyclisierung der (E)-O-(2-IODOPHENYLMETHYL) Amidoxime

Edgars Abele, Kira Rubina, Lena Golomba, Ramona Abele

A HIGHLY EFFICIENT ONE STEP GREEN PROCEDURE FOR BAKERVENKATARAMAN REARRANGEMENT IN AQUEOUS MEDIUM Eine hocheffiziente ONE STEP GREEN VERFAHREN FüR BAKERVENKATARAMAN Umlagerung in w ssrigem Medium

Ashish Kumar and J.K. Makrandi

SYNTHESIS AND ANTIBACTERIAL SCREENING OF SOME PYRAZOLE AND CHROMONE DERIVATIVES SYNTHESIS und antibakterielle SCREENING VON RUND Pyrazol und Chromon-Derivaten

Somnath S. Gholap

COMPARISON OF USUAL AND IN SIUTE ROUTES FOR SOYBEAN OIL EPOXIDATION VERGLEICH DER üBLICHEN UND IN SUITE ROUTES für Soja l EPOXIDIERUNG

Safieh Heidarzadeh Rizi , Abolfazl Semnani, Ahmad Reza Momeni and Hamid Shakoori Langeroodi

STUDY AND SYNTHESIS OF SOME ORGANIC SPIRO DERIVATIVES USING SCHIFF BASE REACTION STUDIE UND Synthese einiger ORGANIC SPIRO Derivaten mitSCHIFF-Base-Reaktion

Rajarshi N. Patel, P.V.Patel, K.R. Desai, K.S.Nimavat and K.B. Vyas

MICROWAVE-ASSISTED SYNTHESIS OF 2-SUBSTITUTED-4H-3, 1-BENZOXAZIN- 4-ONES IN TETRAETHYLAMMONIUM CHLORIDE AS AN IONIC LIQUID Mikrowellen-unterstützte Synthese von 2-substituierten-4H-3, 1-benzoxazin- 4-ONES IN Tetraethylammoniumchlorid als ionische Flüssigkeit

Ali Dorehgiraee, Hojatollah Khabazzadeh and Kazem Saidi

SYNTHESIS, REACTIONS AND BIOLOGICAL ACTIVITY OF DERIVATIVES OF OXIMES OF SIX-MEMBERED OXYGEN HETEROCYCLES Synthese, Reaktionen und biologische Aktivit t von DERIVATEOxime sechsgliedrigen Sauerstoffheterocyclen

Edgars Abele

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