Graphical Abstract Section
Abstract
Synth. Commun. 2006, 36, 8
CONVENIENT PREPARATION OF 2,7,8-TRIMETHYL-6-HYDROXYCHROMAN-2-CARBOXYLIC ACID (γ-TROLOX)
John A. Hyatt
Department of Chemistry, East Tennessee State University, Johnson City, Tennessee, USA and Yasoo Health, Inc., Johnson City, Tennessee, USA
Abstract
Synth. Commun. 2006, 36, 15
SYNTHESIS OF 1,8-NAPHTHYRIDINE-4(1H)-ONE SULFONAMIDE BY THERMOLYSIS OF 2-AMINOPYRIDINEMETHYLENE (MELDRUM'S ACID) DERIVATIVE
Luiz Everson da Silva,1 Antonio Carlos Joussef,2 Ricardo José Nunes,2 and Kely Navakoski de Oliveira2
1Department of Chemistry, Federal University of Math Grosso State (UFMT), Cuiabá, MT, Brazil
2Department of Chemistry, Federal University of Santa Catarina State (UFSC), Florianópolis SC, Brazil
An efficient synthesis of 1,8-naphthyridine-4(1H)-one sulfonamide derivatives by thermolysis of 2-pyridylaminomethylene (Meldrum's acid derivative) starting from 4,6-dimethyl-2-aminopyridine (1) is described.
Abstract
Synth. Commun. 2006, 36, 21
SELECTIVE MONOARYLATION OF BENZENEDIOLS VIA DIANION INTERMEDIATES
Chaoyu Xie, Kevin A. Sullivan, Michael E. Laurila, David N. Mitchell, and Y. John Pu
Lilly Research Laboratories, Chemical Product Research and Development, Indianapolis, Indiana, USA
Application of the SNAr reaction on benzenediols with arylfluorides revealed an enhancement in monosubstitution selectivity over bis substitution when excess base was used. This trend was studied using symmetrical and nonsymmetrical benzenediols with various levels of steric hindrance. The effect of various bases was examined. A 100% monoselectivity was achieved in the presence of 2.5 equiv. of Cs2CO3. The methodology was employed in the synthesis of an important pharmaceutical product, 1, an arylether.
Abstract
Synth. Commun. 2006, 36, 33
N‐FORMAMIDO‐CONTAINING MONO‐ AND DIHETEROCYCLIC PYRROLE‐AND IMIDAZOLE‐2‐CARBOXYLIC ACIDS AS BUILDING BLOCKS FOR POLYAMIDE SYNTHESIS
Keith Mulder1, Jim Sexton2, Zarmeen Taherbhai2, Justin Jones2, Peter Uthe2, Toni Brown1,2, and Moses Lee1,2
1Division of Natural Sciences and Department of Chemistry, Hope College, Holland, MI, USA
2Department of Chemistry, Furman University, Greenville, USA
Abstract
Synth. Commun. 2006, 36, 45
SYNTHESIS OF Z-N-ALKENYLFORMAMIDES
Lucina G. Sánchez, Ratnasamy Somanathan, Lars H. Hellberg, and Gerardo Aguirre
Centro de Graduados e Investigación, Instituto Tecnológico de Tijuana, Tijuana, México
This article describes the synthesis of Z-N-alkenylformamides 11Z and 12Z in 18 and 34% yield, respectively.
Abstract
Synth. Commun. 2006, 36, 54
STEREOSELECTIVE SYNTHESIS OF RUBRENOIC AND NOR-RUBRENOIC ACIDS
L. G. Sánchez, E. N. Castillo, H. Maldonado, D. Chávez, R. Somanathan, and G. Aguirre
Centro de Graduados e Investigación del Instituto Tecnológico de Tijuana, Tijuana, México
We have developed a stereoselective synthetic route to (Z)-rubrenoic and nor-(Z)-rubrenoic acids I and (E)-rubrenoic and nor-(E)-rubrenoic acids III.
Abstract
Synth. Commun. 2006, 36, 72
A CONVENIENT AND EFFICIENT PREPARATION OF 2-ACETYL-4,5-DIFLUOROTHIOPHENE
Gaifa Lai and Tao Guo
Pharmacopeia, Inc., Princeton, New Jersey, USA
Abstract
Synth. Commun. 2006, 36, 77
CERIUM (IV) TRIFLATE CATALYZED SELECTIVE GEM-DIACETYLATION OF ALDEHYDES WITH ACETIC ANHYDRIDE
J. W. John Bosco and Anil K. Saikia
Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati, India
It has been observed that catalytic amount (0.1 mol%) of cerium (IV) triflate afforded geminal diacetates from aldehydes with acetic anhydride in toluene at ambient temperature. Ketones are not affected under these reaction conditions. The reaction is rapid and mild with good to high yields.
Abstract
Synth. Commun. 2006, 36, 85
SYNTHESIS OF NEW BENZOXAZAPHOSPHININE/BENZOXAZAPHOSPHOLE/DIAZAPHOSPHAPHENALENE-2-SULFIDES USING LAWESSON'S REAGENT
G. Syam Prasad, B. Hari Babu, C. Devendranath Reddy, C. Naga Raju, and C. Suresh Reddy
Department of Chemistry, Sri Venkateswara University, Tirupati, India
Abstract
Synth. Commun. 2006, 36, 92
SYNTHESIS OF CHLOROESTERS BY THE CLEAVAGE OF CYCLIC AND ACYCLIC ETHERS USING LA(NO3)3 · 6H2O AS A MILD AND EFFICIENT CATALYST UNDER SOLVENT-FREE CONDITIONS
V. Suresh, N. Suryakiran, K. Rajesh, J. Jon Paul Selvam, M. Srinivasulu, and Y. Venkateswarlu
Natural Products Laboratory, Organic Chemistry Division I, Indian Institute of Chemical Technology, Hyderabad, India
Abstract
Synth. Commun. 2006, 36, 100
SILICA SULFURIC ACID–CATALYZED FRIEDEL–CRAFTS ALKYLATION OF INDOLES WITH NITRO OLEFINS
G. Sri Hair, M. Nagaraju, and M. Marthanda Murthy
Organic Chemistry Division II, Indian Institute of Chemical Technology, Hyderabad, India
Abstract
Synth. Commun. 2006, 36, 106
RUCL3 · XH2O: A NEW EFFICIENT CATALYST FOR FACILE PREPARATION OF 1,1-DIACETATES FROM ALDEHYDES
Anil Saini, Sanjay Kumar, and Jagir S. Sandhu
Department of Chemistry, Punjabi University, Patiala, Punjab, India
An efficient, facile preparation of aldehyde 1,1-diacetates (acylals) in excellent yields catalyzed by RuCl3 · xH2O is described. Ketones do not react under these conditions.
Abstract
Synth. Commun. 2006, 36, 114
SYNTHESIS, OF SOME NOVEL 1,3,4-OXADIAZOL-2-YL-4(3H)-QUINAZOLINONES
A. Komaraiah, B. Sailu, and P. S. N. Reddy
Department of Chemistry, Osmania University, Hyderabad, India
Abstract
Synth. Commun. 2006, 36, 122
EXPEDIENT SYNTHESIS OF RUPATADINE
Rajendra Agarwal, Shekhar Bhaskar Bhirud, Gopinathenpillai Bijukumar, and Gopal Dnyandev Khude
Macleods Pharmaceuticals Ltd., Mumbai, India
Abstract
Synth. Commun. 2006, 36, 128
AN EFFICIENT METHOD FOR THE SYNTHESIS OF ACYLALS FROM ALDEHYDES UNDER SOLVENT-FREE CONDITIONS CATALYZED BY ANTIMONY TRICHLORIDE
Asish K. Bhattacharya, Mohammad Mujahid, and Arvind A. Natu
Combi Chem-Bio Resource Centre and Division of Organic Chemistry (Synthesis), National Chemical Laboratory, Pune, India
A mild and efficient, and expeditious method has been developed for the preparation of acylals from the corresponding aldhydes in excellent yields, using acetic anhydride catalyzed by antimony trichloride.
Abstract
Synth. Commun. 2006, 36, 135
HETEROPOLYACIDS AS GREEN AND REUSABLE CATALYSTS FOR THE SYNTHESIS OF ISOXAZOLE DERIVATIVES
Majid M. Heravi,1 Fatemeh Derikvand,1 Anahita Haeri,1 Hossein A. Oskooie,1 and Fatemeh F. Bamoharram2
1Department of Chemistry, School of Science, Azzahra University, Vanak, Tehran, Iran
2Department of Chemistry, Azad University of Mashhad, Mashad, Iran
Abstract
Synth. Commun. 2006, 36, 141
HIGHLY REGIOSELECTIVE BROMINATION OF BINAP IN [HMIM]PF6 IONIC LIQUID
Mohammad Alamé,1 Mohammad Jahjah,2 Stéphane Pellet-Rostaing,2 Marc Lemaire,2 Valérie Meille,1 M. Berthod,2 and Claude De Bellefon
1Laboratoire de Génie des Procédés Catalytiques, Université de Lyon, Université Claude Bernard, Villeurbanne Cedex, France
2ICBMS, Institut de chimie et Biochimie Moléculaire et Supramoléculaire, Université de Lyon, Université Claude Bemard, Vileurbanne Cedex, France
Abstract
Synth. Commun. 2006, 36, 148
FACILE AND CONVENIENT SYNTHESIS OF 1-PERFLUOROALKYL-1,2,4-TRIAZOLES
M. Kammoun,1 A. Chihi,1 B. Hajjem,1 and M. Bellassoued2
1Laboratoire de Chimie Organique, Institut National Agronomique de Tunisie, Tunis-Mahragène, Tunisia
2Laboratoire de Synthèse Organométallique, Cergy-Pontoise Cedex, France