Volume 34; Issue 39

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Tetrahedron Letters
Volume 34; Issue 39

Tetrahedron Letters

Volume 34; Issue 39

1

Synthesis of (2S,4S)-2-carboxy-4-4pyrrolidine acetic acid, a conformationally constrained 2-amino adipic acid analogue

N. Langlois, A. Rojas

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 38 KB

english, 1993

2

Graphical abstracts

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 692 KB

english, 1993

3

Stereoselective synthesis of a hydroxyethylene dipeptide isostere

Ann M. Diederich, David M. Ryckman

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 266 KB

english, 1993

4

Maxonine: Structure correction and synthesis

T.Ross Kelly, Xu Wei, Jayashree Sundaresan

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 303 KB

english, 1993

5

Synthesis of o-quinodimethanes and benzocyclobutenes from dimethyl squarate

John E. Ezcurra, Harold W. Moore

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 229 KB

english, 1993

6

Cram's rule for radicals: Stereoselective hydrogen abstraction reactions of NH substituted radicals

Dennis P. Curran, Shunneng Sun

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 319 KB

english, 1993

7

A total synthesis of the pyrrolophenthridone alkaloid oxoassoanine

A.I. Meyers, R.H. Hutchings

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 221 KB

english, 1993

8

Synthesis of triple helix forming oligonucleotides with a stretched phosphodiester backbone

T. Sudhakar Rao, K. Jayaraman, Ganapathi R. Revankar

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 282 KB

english, 1993

9

Synthesis of (R)-lysothiophosphatidic Acid and (R)-thiophosphatidic acid

Norbert V. Heeb, Krishnan P. Nambiar

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 344 KB

english, 1993

10

Semduramicin and two desmethyl analogs: 13C NMR and FAB mass spectral correlations

Thomes R. Sharp, Julle A. Wood, Antonio Grizzuti

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 259 KB

english, 1993

11

Photochemical electrocyclization of perfluoro-E,Z,E-4,5-dimethyl-2,4,6-octatriene

William R. Dolbier Jr., Keith W. Palmer

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 223 KB

english, 1993

12

A general stereocontrolled synthesis of cis-2,3 disubstituted pyrrolidines and piperidines

Kollol Pal, Mark L. Behnke, Liang Tong

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 273 KB

english, 1993

13

Alkyl radical generation by reduction of a ketone tosylhydrazone

Douglass F. Taber, Yanong Wang, Shawn J. Stachel

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 147 KB

english, 1993

14

Palladium-catalyzed coupling of an α-stannyl acrylate to aryl iodides and triflates. A one-step synthesis of aryl propenoic esters.

Jeremy I. Levin

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 211 KB

english, 1993

15

Some unusual reactions of weinreb amides

Gary E. Keck, Stanton F. McHardy, Jerry A. Murry

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 273 KB

english, 1993

16

Catalytic iron-mediated ene carbocyclizations of trienes: Investigations into the stereoselective formation of some bicyclic lactams and amines.

James M. Takacs, John J. Weidner, Beckie E. Takacs

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 310 KB

english, 1993

17

Iodination of methoxyamphetamines with iodine and silver sulfate.

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 129 KB

english, 1993

18

Toward a broad spectrum decontaminant for reactive toxic phosphates/phosphonates: N-alkyl-3-iodosopyridinium-4-carboxylates

Robert A. Moss, Hongmei Zhang

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 258 KB

english, 1993

19

Asymmetric synthesis of sulfinimines: Chiral ammonia imine synthons

Franklin A. Davis, Rajarathnam E. Reddy, Joanna M. Szewczyk, Padma S. Portonovo

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 241 KB

english, 1993

20

Synthesis of cyclopropane-fused dideoxycarbocyclic nucleosides structurally related to neplanocin C

Juan B. Rodriguez, Victor E. Marquez, Marc C. Nicklaus, Joseph J. Barchi Jr.

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 299 KB

english, 1993

21

Synthesis of tetrahydrofurocarbazolones via intramolecular Diels-Alder reactions

Jose S. Madalengoitia, Timothy L. Macdonald

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 246 KB

english, 1993

22

Ab initio transition states for the reaction of α-hydroxyl lithium ester enolates with imine

Xuebao Wang, Che Lee

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 241 KB

english, 1993

23

Thiomethylation of indole and haloindole zinc salts

Cindy C. Browder, Miguel O. Mitchell, Rhonda L. Smith, Gibran el-Sulayman

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 137 KB

english, 1993

24

Stereospecific intramolecular formyl transfer via radical cyclization-fragmentation: Preparation of alkyl 2-deoxy-2α-formylglucopyranosides and similar compounds

Michael E. Jung, S.W.Tina Choe

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 247 KB

english, 1993

25

Stereoselective approach to trisubstituted tetrahydrofurans

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 228 KB

english, 1993

26

Synthesis of both D- and L-Fmoc-Abu[PO(OCH2CHCH2)2]-OH for solid phase phosphonopeptide synthesis

Gideon Shapiro, Dieter Buechler, Vicente Ojea, Esteban Pombo-Villar, Maria Ruiz, Hans-Peter Weber

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 278 KB

english, 1993

27

Total synthesis of (1S,4S)-7,8-dihydroxycalamenene via benzylic alkylation of η6-arene-Cr(CO)3 complexes

Hans-Günther Schmalz, Jens Hollander, Markus Arnold, Gerd Dürner

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 264 KB

english, 1993

28

Site selective substitution of carbamate and carbamoyl protected benzylamines

George Katsoulos, Manfred Schlosser

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 175 KB

english, 1993

29

Site- and regioselectivity of the hetero-diels-alder and cheletropic additions of sulfur dioxide to a 2,3,6,7-tetramethylidenebicyclo[3.2.1]octane derivative.

Brigitte Deguin, Pierre Vogel

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 177 KB

english, 1993

30

Synthesis of a new exocyclic amino carbocyclic nucleoside with potential antiviral activity.

Luigi Agrofoglio, Roger Condom, Roger Guedj, Richard Challand, John Selway

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 167 KB

english, 1993

31

Sugar sensing utilizing aggregation properties of a boronic-acid-appended porphyrin

Hiroto Murakami, Takeshi Nagasaki, Itaru Hamachi, Seiji Shinkai

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 233 KB

english, 1993

32

Aragusterol a: A potent antitumor marine steroid from the okinawan sponge of the genus, Xestospongia

Kazuo Iguchi, Michinari Fujita, Hiroto Nagaoka, Hidemichi Mitome, Yasuji Yamada

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 307 KB

english, 1993

33

Lewis acid promoted ene-like reactions of enol ethers with aldehydes

Hisashi Shoda, Takashi Nakamura, Keiji Tanino, Isao Kuwajima

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 220 KB

english, 1993

34

Synthetic studies on polypropionate antibiotics based on the stereospecific methylation of γ δ-epoxy acrylates by trimethylaluminum. A highly stereoselective construction of the eight contiguous chiral centers of ansa-chains of rifamycins

Masaaki Miyashita, Kousei Yoshihara, Katsumi Kawamine, Masahide Hoshino, Hiroshi Irie

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 267 KB

english, 1993

35

A novel biogenetic type synthesis of (+)-hydantocidin

Miyoko Matsumoto, Masayuki Kirihara, Toshiharu Yoshino, Tadashi Katoh, Shiro Terashima

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 300 KB

english, 1993

36

Unidirectional thermal electrocyclic ring forming reactions of methylenecyclobutenes from vinylallenes in the retinoid series

José García Rey, Jesús Rodríguez, Angel R. de Lera

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 297 KB

english, 1993

37

A dimeric peptide alkaloid of a completely new type, Anchinopeptolide A, from the marine sponge Anchinoe tenacior

Agostino Casapullo, Ester Finamore, Luigi Minale, Franco Zollo

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 273 KB

english, 1993

38

Cobalt (II) catalysed allylation of 1,3-dicarbonyl compounds with allyl acetates

Beena Bhatia, M.Madhava Reddy, Javed Iqbal

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 232 KB

english, 1993

39

Role of radical initiated cyclisation reactions in the synthesis of artemisinin based novel ring skeletons.

B. Venugopalan, S.L. Shinde, P.J. Karnik

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 214 KB

english, 1993

40

Palladium catalyzed chemoselective cleavage of β-Propargyloxy-α,β-unsaturated ester: Approach to γ-protected hydroxy-β-ketoesters

Gurdeep S. Sarin

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 226 KB

english, 1993

41

Oxidation of uracil derivatives and pyrimidine nucleosides by dimethyldioxirane: A new and mild synthesis of 5,6-oxiranyl-5,6-dihydro and 5,6-dihydroxy-5,6-dihydro-derivatives.

Paolo Lupattelli, Raffaele Saladino, Enrico Mincione

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 275 KB

english, 1993

42

General method for the synthesis of 5-arylpyrrole-2-carboxylic acids

Jesús Ezquerra, Concepción Pedregal, Almudena Rubio, Jesús Valenciano, José Luis García Navio, Julio Alvarez-Builla, Juan José Vaquero

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 263 KB

english, 1993

43

Use of cis-3-cyclobutene-1,2-dimethanol in stereoselective routes to some naturally occurring conjugated dienes and trienes

Kevin J. Hodgetts, Suthiweth T. Saengchantara, Christopher J. Wallis, Timothy W. Wallace

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 310 KB

english, 1993

44

Asymmetric synthesis of α-keto β-lactams via [2+2] cycloaddition reaction: A concise approach to optically active (α-hydroxy β-lactams and β-alkyl(aryl)isoserines.

Claudio Palomo, Jesús M. Aizpurua, José I. Miranda, Antonia Mielgo, José M. Odriozola

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 237 KB

english, 1993

45

A new route to homochiral piperidines

Raymond C.F. Jones, Ian Turner, Kevin J. Howard

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 278 KB

english, 1993

46

Palladium-catalyzed alkylation of allylic nitrates derived from ceric ammonium nitrate promoted oxidative addition of trimethylsilyloxy-cyclopropanes to 1,3-butadiene

Anna Belli Paolobelli, Fabio Gioacchinia, Renzo Ruzziconi

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 254 KB

english, 1993

47

Chemo-enzymatic synthesis of 2′-deoxynucleoside urethanes

Luis F. García-Alles, Francisco Morís, Vicente Gotor

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 132 KB

english, 1993

48

4′-Oxa-α-santalene and 4′-oxa-α-santalol : An olfactory comparison with the analogous natural sesquiterpenes

Guo-fu Zhong, Manfred Schlosser

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 355 KB

english, 1993

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