Volume 24; Issue 2

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Tetrahedron Letters
Volume 24; Issue 2

Tetrahedron Letters

Volume 24; Issue 2

1

Epoxidation of 2,3-dimethyl-2-butene by substituted benzylazobenzene α-hydroperoxides in C6D6

A.L. Baumstark, P.C. Vasquez

Journal:

Tetrahedron Letters

Year:

1983

Language:

english

File:

PDF, 253 KB

english, 1983

2

Conjugate addition reactions of α,β- unsaturated esters with higher order cuprates R2 Cu(CN)Li2

Bruce H. Lipshutz

Journal:

Tetrahedron Letters

Year:

1983

Language:

english

File:

PDF, 218 KB

english, 1983

3

Addition of functionalized organolithium reagents to p-benzoquinones and cyclohexadienones: synthesis of functionalized cyclohexadienones, dienols and dienediols

Alfred Fischer, George Narayanan Henderson

Journal:

Tetrahedron Letters

Year:

1983

Language:

english

File:

PDF, 249 KB

english, 1983

4

Stereospecific and non-hazardous syntheses of cis and trans-3-phenoxyacetamido-4-(2-acetoxy-1,1-dimethylethyl)-azetidin-2-ones-key intermediates for the synthesis of 6-amido-1,1-dimethyl-carbapen-2-ems

Daniel T.W Chu, David Lester

Journal:

Tetrahedron Letters

Year:

1983

Language:

english

File:

PDF, 235 KB

english, 1983

5

Total synthesis of cis-6-methoxy-1,1-dimethylcarbapen-2-em

Daniel T.W Chu, John E Hengeveld, David Lester

Journal:

Tetrahedron Letters

Year:

1983

Language:

english

File:

PDF, 217 KB

english, 1983

6

Intra- and intermolecular paterno-buchi reactions on phthalimides. Isolation of the oxetane.

P.H. Mazzocchi, L. Klingler, M. Edwards, P. Wilson, D. Shook

Journal:

Tetrahedron Letters

Year:

1983

Language:

english

File:

PDF, 159 KB

english, 1983

7

A general synthesis of isotwist-8-en-2-ones from o-(3-butenyl)phenols

Tadas S. Macas, Peter Yates

Journal:

Tetrahedron Letters

Year:

1983

Language:

english

File:

PDF, 163 KB

english, 1983

8

Stereochemical studies of enzyme-catalyzed alkyl-transfer reactions. An NMR method for distinguishing between the two prochiral hydrogens at C-1′ of spermidine

Gabriele Pontoni, James K. Coward, Gary R. Orr, Steven J. Gould

Journal:

Tetrahedron Letters

Year:

1983

Language:

english

File:

PDF, 204 KB

english, 1983

9

Puntarenine: an unusual isoquinoline alkaloid

Victor Fajardo, Varadaraj Elango, Sankar Chattopadhyay, Lloyd M. Jackman, Maurice Shamma

Journal:

Tetrahedron Letters

Year:

1983

Language:

english

File:

PDF, 204 KB

english, 1983

10

Vinylsilylene rearrangement. A possible silacyclopropanylidene intermediate

Thomas J. Barton, Gary T. Burns

Journal:

Tetrahedron Letters

Year:

1983

Language:

english

File:

PDF, 200 KB

english, 1983

11

Structure of the 2:1 adduct of dimethyl acetylenedicarboxylate and dehydronuciferine: a novel tandem michael-1,3-dipolar addition reaction

Mary D. Menachery, Patrick Carroll, Michael P. Cava

Journal:

Tetrahedron Letters

Year:

1983

Language:

english

File:

PDF, 121 KB

english, 1983

12

Chlorophyll B. Totalzuordnung des 13C-NMR-spektrums

Nikolaus Risch, Hans Brockmann

Journal:

Tetrahedron Letters

Year:

1983

Language:

german

File:

PDF, 252 KB

german, 1983

13

Deprotonation induced 13 C NMR shifts in phenols and flavonoids

Pawan Kumar Agrawal, Hans-Jörg Schneider

Journal:

Tetrahedron Letters

Year:

1983

Language:

english

File:

PDF, 213 KB

english, 1983

14

Evidence for homoquadricyclene, a possible carbon ylide

Charles W. Jefford, Jean-Claude Rossier, Jacques A. Zuber, Olga Kennard, William B.T. Cruse

Journal:

Tetrahedron Letters

Year:

1983

Language:

english

File:

PDF, 186 KB

english, 1983

15

On the stabilization energy of α-methoxyalkyl radicals

Hermann Birkhofer, Hans-Dieter Beckhaus, Christoph Rüchardt

Journal:

Tetrahedron Letters

Year:

1983

Language:

english

File:

PDF, 218 KB

english, 1983

16

Addition d'azlactones ylures d'azomethine potentiels aux esters acryliques et fumariques et au fumaronitrile : obtention de carbolactones.

Fernand Texier, Okacha Yebdri, Achoura Laidoudi, Brahim Talbi, Fadila Balegroune, Gabriel Germain

Journal:

Tetrahedron Letters

Year:

1983

File:

PDF, 220 KB

1983

17

Reaction de wittig en milieu heterogene solide-liquide : transformation directe des aldehydes phenoliques naturels en alcenes

Yves Le Bigot, Michel Delmas, Antoine Gaset

Journal:

Tetrahedron Letters

Year:

1983

File:

PDF, 192 KB

1983

18

L'araliangine, nouveau lignane bisbenzocyclooctadienolactonique de Steganotaenia araliacea, Hochst.

par Mohammed Taafrout, Francis Rouessac, Jean-Pierre Robin

Journal:

Tetrahedron Letters

Year:

1983

File:

PDF, 250 KB

1983

19

Rearrangement of penicillin g β-sulfoxide with cleavage of the C5S bond, initiated by vinyl chloroformate.

Journal:

Tetrahedron Letters

Year:

1983

Language:

english

File:

PDF, 181 KB

english, 1983

20

5-(2,3-diphenylcyclopropenylidene)-2(5H)-thiophenone characterization of a thiophene-inserted type compound of diphenylcyclopropenone

Kazuko Takahashi, Kazumi Nishijima, Kahei Takase, Shigeyoshi Katagiri

Journal:

Tetrahedron Letters

Year:

1983

Language:

english

File:

PDF, 266 KB

english, 1983

21

Independent synthesis of three types of n-substituted dihydropyrimidines and their reactions with malachite green

Choji Kashima, Masao Shimizu, Akira Katoh, Yoshimori Omote

Journal:

Tetrahedron Letters

Year:

1983

Language:

english

File:

PDF, 204 KB

english, 1983

22

Mechanism of Co(salen)-catalyzed oxygenolysis of indole ring as a model for the tryptophan-2,3-dioxygenase reaction

A Nishinaga, H Ohara, H Tomita, T Matsuura

Journal:

Tetrahedron Letters

Year:

1983

Language:

english

File:

PDF, 246 KB

english, 1983

23

A general approach to trans-carbapenem antibiotics. Enantioselective synthesis of key intermediates for (+)-PS-5, (+)-PS-6, and (+)-thienamycin

Kazuo Okano, Toshio Izawa, Masaji Ohno

Journal:

Tetrahedron Letters

Year:

1983

Language:

english

File:

PDF, 239 KB

english, 1983

24

Ring expansion reactions of penicillin derivatives by rhodium-catalyzed decomposition of diazoketones ??? stereoselective syntheses of eight-membered oxa-β-lactams

Tetsuji Kametani, Naoaki Kanaya, Tomoko Mochizuki, Toshio Honda

Journal:

Tetrahedron Letters

Year:

1983

Language:

english

File:

PDF, 202 KB

english, 1983

25

Determination de purete enantiomerique par rmn13C dans les series de bicyclo (2,2,1)-heptane et bicyclo (2,2,1)-heptene.

Journal:

Tetrahedron Letters

Year:

1983

File:

PDF, 45 KB

1983

26

Preparation of α-bromoesters via the half esters of malonic acids a novel method for rapid decarboxylation under mild conditions

O.P. Goel, U. Krolls

Journal:

Tetrahedron Letters

Year:

1983

Language:

english

File:

PDF, 256 KB

english, 1983

27

Magnesium and zinc-catalyzed thioketalization

E.J. Corey, Katsuichi Shimoji

Journal:

Tetrahedron Letters

Year:

1983

Language:

english

File:

PDF, 211 KB

english, 1983

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