Volume 34; Issue 20

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Tetrahedron Letters
Volume 34; Issue 20

Tetrahedron Letters

Volume 34; Issue 20

1

Graphical abstracts

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 606 KB

english, 1993

2

Total synthesis and absolute stereochemistry of the antifungal dipeptide Sch 37137 and its 2S,3S - isomer

Dinanath F. Rane, Viyyoor M. Girijavallabhan, Ashit K. Ganguly, Russell E. Pike, Anil K. Saksena, Andrew T. McPhail

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 257 KB

english, 1993

3

Taxol structure-activity relationships: Synthesis and biological evaluation of 2-deoxytaxol

Shu-Hui Chen, Jian-Mei Wei, Vittorio Farina

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 133 KB

english, 1993

4

Alumina-mediated deacetylation of benzaldehyde diacetates. A simple deprotection method

Rajender S. Varma, Arnab K. Chatterjee, Manju Varma

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 274 KB

english, 1993

5

Preparation of 2-aryl- and 2-alkenyl-substituted carbapenems under mild suzuki cross-coupling conditions

Nobuyoshi Yasuda, Lyndon Xavier, Dale L. Rieger, Yulan Li, Ann E. DeCamp, Ulf-H. Dolling

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 273 KB

english, 1993

6

A novel dimerization of ethyl 3-cyanomethyl-2-indolecarboxylate

Dhanapalan Nagarathnam, Michael E. Johnson

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 246 KB

english, 1993

7

Thermal cleavage of the 3,4 bond in a cyclobutane-1,2-dione

Thomas H. Peterson, Barry K. Carpenter

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 226 KB

english, 1993

8

A conjunctive approach to the synthesis of functionalized piperidines from imines

Gary E. Keck, Anandan Palani

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 176 KB

english, 1993

9

The β-nitroxyalkyl and β-sulfonatoxyalkyl radical rearrangements

David Crich, G.Fredrick Filzen

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 132 KB

english, 1993

10

Unique inhibition of a serine esterase

Russell J. Linderman, David M. Graves, Sudha Garg, Krishnappa Venkatesh, Douglas D. Anspaugh, R.Michael Roe

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 302 KB

english, 1993

11

A study of stereocontrol in spiroketalizations. The role of hydroxy-assisted chelation.

David R. Williams, Paul A. Jass, Ricky D. Gaston

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 317 KB

english, 1993

12

Alkoxy and cyclic ether oxygens exhibit disparate capabilities for directing ortho lithiation

Leo A. Paquette, Matthias M. Schulze

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 303 KB

english, 1993

13

A general route to α,α-difluoroketones

Zai-Ming Qiu, Donald J. Burton

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 288 KB

english, 1993

14

Effects of triethylamine in asymmetric reduction using oxazaborolidine reagents

Dongwei Cai, David Tschaen, Y.-J. She, Thomas R. Verhoeven, Robert A. Reamer, Allan W. Douglas

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 223 KB

english, 1993

15

Total synthesis of halichondrins: Enantioselective construction of a homochiral tetracyclic KLMN-ring intermediate from D-mannitol

Elso DiFranco, Vasulinga T. Ravikumar, Robert G. Salomon

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 302 KB

english, 1993

16

Total synthesis of epibatidine

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 250 KB

english, 1993

17

Nucleophilic aromatic substitution on aromatic aldimines

Lec A. Flippin, David S. Carter, Nathan J.P. Dubree

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 247 KB

english, 1993

18

Convenient access to 2-pyridylindole cytotoxic anticancer agents

J.G. Phillips, D. Chu, L. Scif, S. Spanton, R. Henry, J.J. Plattner

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 227 KB

english, 1993

19

Dehalogenation of organic compounds. 4. Dechlorination of pentachlorophenol and 1,2,4-trichlorobenzene with transition metal-promoted alkoxyborohydrides

Seyed-Mohammad H. Tabaei, Charles U. Pittman Jr.

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 263 KB

english, 1993

20

A synthesis of nikkomycin Z: Improved synthesis and protection of the pyridyl γ-hydroxy-α-aminobutanoic acid component

Anil K. Saksena, Raymond G. Lovey, Viyyoor M. Girijavallabhan, Henry Guzik, Ashit K. Ganguly

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 333 KB

english, 1993

21

Diastereoselective hydride reductions of α-hydroxy oximino ethers. Synthesis of syn-1,2-amino alcohols.

David R. Williams, Martin H. Osterhout, Jayachandra P. Reddy

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 266 KB

english, 1993

22

Total synthesis and Ionophoric behaviour of a gramicidin A analogue.

Monique Calmes, Jacques Daunis, Dominique David, René Lazaro

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 235 KB

english, 1993

23

Enhancement of alkene reactivity by a trifluoromethyl group: Synthesis of pyrrolidines via 1,3-dipolar cycloaddition

Jean-Pierre Bégué, Danièle Bonnet-Delpon aThierry Lequeux

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 242 KB

english, 1993

24

The trityl group as an alternative in Mukaiyama's glycosylation reaction

Stephan Houdier, Philippe J.A. Vottéro

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 137 KB

english, 1993

25

Multicavitands I: Synthesis and X-ray crystal structure of a bis p-tert-butylcalix[4]arene fused by two silicon atoms

Xavier Delaigue, Mir Wais Hosseini, André De Cian, Jean Fischer, Emmanuelle Leize, Sylvie Kieffer, Alain Van Dorsselaer

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 306 KB

english, 1993

26

A new method for the preparation of (2R)-2-amino-5-phosphonopentanoic acid.

Mireille Muller, André Mann, Maurizio Taddei

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 139 KB

english, 1993

27

A novel selective reagent of thiols and selenols.

Michel Holler, Alain Burger, Denis Tritsch, Jean-François Biellmann

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 142 KB

english, 1993

28

Unsymmetrically 1,1′-disubstituted ferrocene-containing thermotropic liquid crystals.

Robert Deschenaux, Mafalda Rama, Julio Santiago

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 191 KB

english, 1993

29

Asymmetric aza-Claisen rearrangement of glycolamide and glycinamide enolates. Synthesis of optically active α-hydroxy and α-amino acids

Tetsuto Tsunoda, Shinji Tatsuki, Yoko Shiraishi, Masumi Akasaka, Shô Itô

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 244 KB

english, 1993

30

Retro Claisen cleavage of α-nitrocycloalkanones using trimethylsilylmethylmagnesium chloride (Peterson reagent): Synthesis of functionalized β-keto-trimethylsilanes.

Roberto Ballini, Giuseppe Bartoli, Riccardo Giovannini, Enrico Marcantoni, Marino Petrini

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 217 KB

english, 1993

31

Unusual allylic acetoxylations of silyl enol ethers with lead(IV) acetate

Martine M.L. Crilley, David S. Larsen, Richard J. Stoodley, Fernando Tomé

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 243 KB

english, 1993

32

One-pot preparation of 3-methylenepyrrolidines with high diastereomeric excess

Teun A.J. van der Heide, Juul L. van der Baan, Vera de Kimpe, Friedrich Bickelhaupt, Gerhard W. Klummp

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 172 KB

english, 1993

33

Silylcupration of N-phenyl-N-ethynyl-aniline: A versatile route to functionalized N,N-bis(phenyl)enamines

Laura Capella, Antonella Capperucci, Giovanni Curotto, Dario Lazzari, Pasquale Dembech, Gianna Reginato, Alfredo Ricci

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 242 KB

english, 1993

34

Silyl protection in the solid-phase synthesis of N-linked neoglycopeptides. One-step deprotection of fully protected neoglycopeptides.

Ida Christiansen-Brams, Morten Meldal, Klaus Bock

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 247 KB

english, 1993

35

Tetra-O-benzylated calix[8]arenes with C4 symmetry

Placido Neri, Corrada Geraci, Mario Piattelli

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 266 KB

english, 1993

36

An insight into the t-butylbromide - dimethyl sulfoxide reagent: A novel application in lignan total synthesis.

David C. Harrowven, Shelagh T. Dennison

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 255 KB

english, 1993

37

Synthesis of 1-epihydantocidin from d-ribose

Antony J. Fairbanks, Peter S. Ford, David J. Watkin, George W.J. Fleet

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 311 KB

english, 1993

38

[2,3] Sigmatropic rearrangement of 1-vinylic tetrahydroisoquinoline N-ylides and N-oxides.

T.Samuel Bailey, John B. Bremner, John A. Carver

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 281 KB

english, 1993

39

Generation and characterization of tricyclodecatrienone, a norbornene annulated cyclopentadienone

Jie Zhu, Antonius J.H. Klunder, Binne Zwanenburg

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 313 KB

english, 1993

40

Explanation of an unusual substituent effect in the benzylation of anisole and identification of the origin of the active site in Clayzic.

Simon J. Barlow, Tony W. Bastock, James H. Clark, Stephen R. Cullen

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 207 KB

english, 1993

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