Volume 34; Issue 4

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Tetrahedron Letters
Volume 34; Issue 4

Tetrahedron Letters

Volume 34; Issue 4

1

Graphical abstracts

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 117 KB

english, 1993

2

Metal dependence in gif-type reactions. The Cu(II)-catalyzed olefination of saturated hydrocarbons by tert-butyl hydroperoxide.

Derek H.R. Barton, Stéphane D. Bévière, Warinthorn Chavasiri, Darío Doller, Bin Hu

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 207 KB

english, 1993

3

A simple synthesis of symmetrical α-diones from organometallic reagents and 1,4-dimethyl-piperazine-2,3-dione

Ulrich T. Mueller-Westerhoff, Ming Zhou

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 261 KB

english, 1993

4

Stereocontrolled synthesis of tetrahydropyrans via reductive manipulation of 4,10-dioxo-3,5,9,11-tetramethyl-1,7-dioxaspiro[5.5]undecanes

Yun-bo Zhao, Kim F. Albizati

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 231 KB

english, 1993

5

A novel dyatropic rearrangement of γ-N,N-dibenzylamino α,β-dehydro N-formylamino acid esters

Andrew S. Kende, K.M.J. Brands, Benjamin Blass

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 283 KB

english, 1993

6

The boronic acid mannich reaction: A new method for the synthesis of geometrically pure allylamines

Nicos A. Petasis, Irini Akritopoulou

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 275 KB

english, 1993

7

Ruthenium catalyzed reconstitutive condensation. Application to functionalized steroid side chains.

Barry M. Trust, Robert J. Kulawiec, Alf Hammes

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 279 KB

english, 1993

8

Direct introduction of CH2OH by intermolecular trapping of CO

Varsha Gupta, Daniel Kahne

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 218 KB

english, 1993

9

Novel synthesis of N-unsubsdtituted imidazoles using N-trimethylsilylimines

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 189 KB

english, 1993

10

Molecular orbital study of the ring expansion of cyclobutylidenylcarbene to cyclopentyne: Thermal formation of a lumomer

John C. Gilbert, Steven Kirschner

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 258 KB

english, 1993

11

Molecular orbital study of the cycloaddition reactions of cyclopentyne lumomer

John C. Gilbert, Steven Kirschner

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 247 KB

english, 1993

12

Samarium (II) iodide-mediated intramolecular reductive coupling of aldehydes with allenic Esters

Thomas Gillmann

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 293 KB

english, 1993

13

(Z)-3-Methyl-3-penten-2-ol as stereochemical probe for 1,2 versus 1,3 allylic strain in the photooxygenation and epoxidation of chiral allylic alcohols

Waldemar Adam, Bernd Nestler

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 234 KB

english, 1993

14

Total synthesis of restricticin

Stefan Jendrzejewski, Peter Ermann

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 264 KB

english, 1993

15

Stereoselective synthesis of a C-terminal component of renin inhibitors via iterative homologation

Adalbert Wagner, Martina Mollath

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 259 KB

english, 1993

16

Oxydation d'esters de Hantzsch, par le nouveau système HNO3/bentonite, et irradiation aux micro-ondes

Olivia García, Francisco Delgado, Andrés C. Cano, Cecilio Alvarez

Journal:

Tetrahedron Letters

Year:

1993

File:

PDF, 191 KB

1993

17

Quick synthesis of the first double porphyrin double calix[4]arene

Zouhair Asfari, Jacques Vicens, Jean Weiss

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 140 KB

english, 1993

18

A short and efficient synthesis of (−)-Ambrox® from (−)-sclareol using a ruthenium oxide catalyzed key step.

Paul Martres, Patricia Perfetti, Jean-Pierre Zahra, B. Waegell, Edouard Giraudi, Martin Petrzilka

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 247 KB

english, 1993

19

Radical-ion chemistry of natural indolenines: 19,20-dehydrotubifoline

Georgette Hugel, Jean Lévy

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 138 KB

english, 1993

20

Intramolecular [2+2] photocycloaddition of oxoesters and oxoamides

Blanc Sylvie Le, Pete Jean-Pierre, Piva Olivier

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 266 KB

english, 1993

21

A convenient synthesis of dibenzo[a,c]cyclooctene based on thioenol ether reduction

Pierre André Lottaz, Timothy R.G. Edwards, Yves G. Mentha, Ulrich Burger

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 282 KB

english, 1993

22

Setiformenol, isolated from the liverwort tetralophozia setiformis, the first example of cembrane-type diterpene from bryophytes

Motoo Tori, Toshinori Nagai, Yoshinori Asakawa, Siegfried Huneck

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 151 KB

english, 1993

23

Significant orbital interactions in π-facial stereoselection of electrophilic addition reactions to vinylic sulfoxides

Makoto Fujita, Michio Ishida, Keiichiro Manako, Kota Sato, Katsuyuki Ogura

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 269 KB

english, 1993

24

Xanthylium salts from thermolysis of diphenylcyclopropanes fused with bromo-substituted 1,4-benzoquinones

T. Oshima, T. Nagai

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 211 KB

english, 1993

25

Palladium-catalyzed aldol-type condensation by enol esters with SnCl2

Yoshiro Masuyama, Tatsuya Sakai, Yasuhiko Kurusu

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 251 KB

english, 1993

26

Synthesis, conformational analysis, and stereoisomerization of 2,2′:2″,2‴-Bis(ethano)tetraaryltins

Keiji Okada, Masato Minami, Haruki Inokawa, Masaji Oda

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 266 KB

english, 1993

27

Nucleosides and nucleotides. 114. A convenient method for the synthesis of 3-deazapurine nucleosides from AICA-Riboside

Noriaki Minakawa, Akira Matsuda

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 254 KB

english, 1993

28

On the mechanism of the meinwald rearrangement of electron deficient systems

Satomi Niwayama, Hiroshi Noguchi, Masaji Ohno, Susumu Kobayashi

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 275 KB

english, 1993

29

Synthesis of a hybrid molecule containing neocarzinostatin chromophore analogue and minor groove binder

Masahiko Tokuda, Kenshu Fujiwara, Takuya Gomibuchi, Masahiro Hirama, Motonari Uesugi, Yukio Sugiura

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 193 KB

english, 1993

30

First example of intramolecular photochemical oxygen migration from benzotrithiole 2-oxides to benzotrithiole 1-oxides

Naoki Yomoji, Shin-ichi Satoh, Satoshi Ogawa, Ryu Sato

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 240 KB

english, 1993

31

anti-selective aldol reactions of titanium enolates of n-alkylideneglycinates. Stereoselective synthesis of anti-isomers of β-hydroxy-α-amino Esters

Shuji Kanemasa, Takashi Mori, Eiji Wada, Akira Tatsukawa

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 337 KB

english, 1993

32

Asymmetric addition of aryllithiums to naphthalene bha-esters catalyzed by a chiral ligand

Mitsuru Shindo, Kenji Koga

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 149 KB

english, 1993

33

Synthesis and determination of the absolute configuration of matlystatin B

Kazuhiko Tamika, Takeshi Ogita, Kazuhiko Tanzawa, Yukio Sugimura

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 223 KB

english, 1993

34

Facile cleavage of the CβCβ′ bond of zirconacyclopentenes. Convenient method for selectively coupling alkynes with alkynes, nitriles, and aldehydes

Tamotsu Takahashi, Motohiro Kageyama, Victor Denisov, Ryuichiro Hara, Eiichi Negishi

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 277 KB

english, 1993

35

First total synthesis of potent antitumour agent (+)-goniopypyrone

Tony K.M. Shing, Tsui Hon-Chung, Zhou Zhao-Hui

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 135 KB

english, 1993

36

The preparation of novel porphyrins and bis(porphyrins) using palladium catalysed coupling reactions

Dennis P. Arnold, Lisa J. Nitschinsk

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 243 KB

english, 1993

37

Lewis acid mediated cyclization of ortho-allyl substituted homochiral anthraquinone dioxolanes

Richard C. Cambie, Stephen E. Holroyd, Peter S. Rutledge, Paul D. Woodgate

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 122 KB

english, 1993

38

Asymmetric synthesis of β-amino-γ-hydroxysulfoxides

Noureddine Khiar, Inmaculada Fernández, Felipe Alcudia, Duy H. Hua

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 281 KB

english, 1993

39

The reaction of norbornene with selenium(II) and selenium(IV) flourides

Sergei A. Lermontov, Sergei I. Zavorin, Alexei N. Pushin, Anatolii N. Chekhlov, Nikolai S. Zefirov, Peter J. Stang

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 206 KB

english, 1993

40

Studies directed towards the total synthesis of rhizoxin: Stereoselective synthesis of C-12 to C-18 segment

AV Rama Rao, Manjunath N Bhanu, GVM Sharma

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 245 KB

english, 1993

41

The diastereoselective preparation of syn-β-hydroxycyanohydrins by addition of cyanide to β-hydroxyketones with dimethyldicyanosilane

Manohar Singh Batra, Ernesto Brunet

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 238 KB

english, 1993

42

Unprecedented outcome of the allene photoaddition to a fused α,β-unsaturated ketone

Marco Berettoni, Fabrizio Cocchi, Rinaldo Marini Bettolo, Lorenzo Montagnini di Mirabello, Sergio Romeo

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 117 KB

english, 1993

43

Catalytic oxidation of 2-aminophenol to questiomycin a by dioxygen in the presence of cobaloxime derivatives. Free radical intermediates

László I. Simándi, Teréz M. Barna, László Korecz, Antal Rockenbauer

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 237 KB

english, 1993

44

γ-selectivity in the ceric ammonium nitrate promoted oxidative addition of silyl dienol ethers to silyl enol ethers

Anna Belli Paolobelli, David Latini, Renzo Ruzziconi

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 206 KB

english, 1993

45

A new method for the regioselective synthesis of β-enamino acid derivatives

Santos Fustero, Ma Dolores Díaz, Raquel Pérez Carlón

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 291 KB

english, 1993

46

Photochemical generation of ‘destabilized’ vinyl cations

Erik S. Krijnen, Gerrit Lodder

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 188 KB

english, 1993

47

Synthetic studies on indole alkaloids. VI synthesis of tetrahydroakuammicine and dihydrocorynantheol via 2-(3-indolyl)-4-piperidones

Anna Diez, Cristina Vila, Marie-Eve Sinibaldi, Yves Troin, Mario Rubiralta

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 249 KB

english, 1993