Graphical Abstracts

Abstract

Synth. Commun. 2005, 35, 2115

REDUCTIVE RING‐OPENING REACTION OF 2,3‐EPOXY‐1,4‐BUTANEDIONES WITH SbCl₃‐Bu₄NI IN THE PRESENCE OF Na₂S₂O₃·5H₂O

Shinsei Sayama

Department of Chemistry, Fukushima Medical University, Hikariga‐oka, Fukushima, Japan

Abstract

Synth. Commun. 2005, 35, 2125

SHORT NEW ROUTE TO THE CHIRAL SPIRO‐TETRAHYDROFURAN SUBUNIT COMMON TO SOME TERPENOIDS

Shital K. Chattopadhyay, Swastik Karmakar, and Kaushik Sarkar

Department of Chemistry, University of Kalyani, Kalyani, West Bengal, India

Abstract

Synth. Commun. 2005, 35, 2133

SULPHAMIC ACID—A MILD, EFFICIENT, AND COST‐EFFECTIVE SOLID ACID CATALYST FOR THE SYNTHESIS OF BIS(1H‐INDOL‐3‐YL)METHANES

Pankajkumar R. Singh, Devendrapratap U. Singh, and Shriniwas D. Samant

Organic Chemistry Research Laboratory, University Institute of Chemical Technology, N.M. Parekh Marg, Matunga, Mumbai 400 019, India

Abstract

Synth. Commun. 2005, 35, 2139

ACYLATION STUDIES WITH MELDRUM'S ACID

P. P. Mahulikar¹ and R. B. Mane²

¹School of Chemical Sciences, North Maharashtra University, Jalgaon, India

²Department of Chemistry, Shivaji University, Kolhapur, India

Meldrum's acid (1) on bisacylation with succinyl chloride afforded a neutral diketo product (2); however, the dimer enolic products (3) with acidic nature resulted in glutaryl and adipyl dichlorides. Monoacylation of (1) with acetyl chloride gave acidic 5‐acetyl Meldrum's acid (4) in enol form.

Abstract

Synth. Commun. 2005, 35, 2143

ALLYLIC HYDROXYLATION THROUGH ACID CATALYSED EPOXY RING OPENING OF BETULINIC ACID DERIVATIVES

Swapan Pramanick,¹ Suparna Mandal,² Sibabrata Mukhopadhyay,¹ and Sailen Jha²

¹Medicinal Chemistry Division, Indian Institute of Chemical Biology, 4, Raja S. C. Mullick Road, Kolkata‐700 032, India

²Department of Chemistry, Jadavpur University, Kolkata‐700 032, India

Abstract

Synth. Commun. 2005, 35, 2149

SYNTHESIS OF β‐LACTAMS: α‐CHLORO AND α‐CYANO β‐LACTAMS BY CONDENSATION OF IMINES WITH TITANIUM ESTER ENOLATES DERIVED FROM CHLORO AND CYANO ETHYL ACETATES

Seema Kanwar and S. D. Sharma

Department of Chemistry and Centre of Advanced Studies in Chemistry, Panjab University, Chandigarh, India

α‐Cyano and α‐chloro β‐lactams are obtained in a one‐step reaction at a temperature less than −78°C by condensation of imines with ester enolates derived from ethyl α‐cyano and α‐chloro acetates.

Abstract

Synth. Commun. 2005, 35, 2157

BROMINE COMPLEXES OF POLYVINYLPYRROLIDONE SUPPORTS: A MILD REAGENT FOR THE TRANSFORMATION OF α‐OXOKETENE DITHIOACETALS TO β‐OXOTHIOLESTERS

Paulson Mathew, Satheesh K. Nair, K. M. Sreedhar, V. N. Rajasekharan Pillai, and C. V. Asokan

School of Chemical Sciences, Mahatma Gandhi University, Priyadarshini Hills P. O., Kottayam, India

Abstract

Synth. Commun. 2005, 35, 2163

FACILE, PRODUCT‐SELECTIVE REDUCTION OF AZOXYARENES INTO AZOARENES OR HYDRAZOARENES BY ALUMINIUM/HYDRAZINE HYDRATE

H. M. Nanjundaswamy^1,2 and M. A. Pasha²

¹Department of Chemistry, Central College Campus, Bangalore University, Bangalore, India

²Chemical Examination Section, Public Health Institute, Bangalore, India

Azoxyarenes, on treatment with hydrazine hydrate in presence of aluminium in methanol give the corresponding hydrazoarenes and azoarenes under microwave irradiation and at reflux conditions respectively. The reactions is very fast, and gives excellent yield of the product. Substituents such as CH₃, OCH₃, OC₂H₅, and Cl are unaffected.

Abstract

Synth. Commun. 2005, 35, 2169

SYDNONES AS MASKED HYDRAZINES FOR THE SYNTHESIS OF 4‐ARYLAZO‐1,2‐DIHYDRO‐PYRAZOL‐3‐ONE DERIVATIVES

Prashant S. Shinge, Prashant R. Latthe, and Bharati V. Badami

P.G. Department of Chemistry, Karnatak University, Dharwad, India

Sydnones have been used as masked hydrazines for the synthesis of 4‐arylazo‐1,2‐dihydro‐pyrazol‐3‐one derivatives.

Abstract

Synth. Commun. 2005, 35, 2177

RAPID ACCESS OF SOME CHLORO‐SUBSTITUTED ISOCOUMARINS AND BIOLOGICAL ACTIVITY TOWARD SOME PATHOGENIC SYSTEMS

H. N. Roy, and M. S. Sarkar

Department of Chemistry, University of Rajshahi, Rajshahi, Bangladesh

Abstract

Synth. Commun. 2005, 35, 2183

BAIB OXIDATION TO SOME TETRAHYDRO‐β‐NAPHTHOLS AND CONTROL OVER THE PRODUCTS BY REACTION CONDITION SELECTION

H. N. Roy,¹ M. S. Sarkar,¹ and D. Mal²

¹DEPARTMENT OF CHEMISTRY, UNIVERSITY OF RAJSHAHI, RAJSHAHI, BANGLADESH

²Department of Chemistry, IIT Kharagpur

Abstract

Synth. Commun. 2005, 35, 2189

NOVEL SYNTHESIS OF N‐METHYL SPIROPYRROLIDINES BY 1,3‐DIPOLAR CYCLOADDITION REACTION OF AZOMETHINE YLIDES

G. Subramaniyan, J. Jayashankaran, and R. Raghunathan

Department of Organic Chemistry, University of Madras, Chennai, India

Abstract

Synth. Commun. 2005, 35, 2195

CONVERSION OF EPOXIDES TO β‐CHLOROHYDRINS WITH THIONYL CHLORIDE AND β‐CYCLODEXTRIN IN WATER

K. Surendra, N. Srilakshmi Krishnaveni, Y. V. D. Nageswar, and K. Rama Rao

Organic Chemistry‐1, Indian Institute of Chemical Technology, Hyderabad, India

Abstract

Synth. Commun. 2005, 35, 2203

VARIABLE SYNTHESIS OF ALCOHOLS AND KETONES USING THE GRIGNARD METHOD AS A FORM OF MPVO REACTION

Michael Schroeter

GKSS Research Center GmbH, Institute of Chemistry, Teltow, Germany

Abstract

Synth. Commun. 2005, 35, 2213

FACILE SYNTHESIS OF NEW SPIROTHIADIAZOLOPYRIDAZINES BY 1,3‐DIPOLAR CYCLOADDITION

S. Abouricha,^1,2 E. M. Rakib,¹ N. Benchat,² M. Alaoui,¹ H. Allouchi,³ and B. El Bali⁴

¹Lab. de Chimie Org. et Analytique, Fac. des Sciences et Techniques, Béni‐Mellal, Morocco

²Département de Chimie, Faculté des Sciences, Oujda, Morocco

³Lab. de Chimie Physique, Fac. de Pharmacie, SPOT E.A., Tours, France

⁴L.A.E.E., Département de Chimie, Fac. des Sciences, Fès, Morocco

New spirothiadiazolopyridazines have been synthesized by 1,3‐dipolar cycloaddition

Abstract

Synth. Commun. 2005, 35, 2223

EFFICIENT CYCLIZATION OF 2‐PHENOXYALKANALS TO 2‐ALKYLBENZO[B]FURANS

M. Witczak and H. Kwiecień

Department of Organic Synthesis and Drug Technology, Institute of Organic Chemical Technology, Szczecin University of Technology, Szczecin, Poland

A new and efficient route to 2‐alkylbenzo[b]furans via acid‐catalyzed cyclization of 2‐phenoxyalkanals under mild conditions over amberlyst‐15 resin has been described.