Volume 32; Issue 2

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Tetrahedron Letters
Volume 32; Issue 2

Tetrahedron Letters

Volume 32; Issue 2

1

Graphical abstracts

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 552 KB

english, 1991

2

Enol variants of the cope rearrangement of cis-2,3-divinyl epoxides and the further functionalization of the oxepin nucleus

Whe-Narn Chou, James B. White

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 263 KB

english, 1991

3

The use of triphenylphosphine/diethyl azodicarboxylate (dead) for the cyclization of 1,4- and 1,5-amino alcohols

Ronald C. Bernotas, Rowena V. Cube

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 147 KB

english, 1991

4

High diastereoselectivity in the cyclization of 1,5-biradicals: what causes such sizeable steric barriers to biradical coupling?

Peter J. Wagner, Bong Ser Park

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 278 KB

english, 1991

5

Halitunal, an unusual diterpene aldehyde from the marine alga Halimeda tuna

Frank E. Koehn, Gunasekera P. Sarath, D.Nadine Neil, Sue S. Cross

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 244 KB

english, 1991

6

Electron transfer mediated addition of methanol to benzobicyclo[3.1.0]hex-2-ene.

Stephen S. Hixson, Yi-de Xing

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 137 KB

english, 1991

7

Stereospecificity in the Pictet-Spengler reaction kinetic vs thermodynamic control

Li Deng, Kevin Czerwinski, James M. Cook

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 317 KB

english, 1991

8

An extremely mild 3-aza-Claisen reaction. 1. Rearrangement of simple N-allylamides.

Michael A. Walters, Colleen S. McDonough, Perry S. Brown Jr., Andrew B. Hoem

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 230 KB

english, 1991

9

Bistriazenes: multifunctional alkylating agents

Jeffrey J. Blumenstein, Christopher J. Michejda

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 226 KB

english, 1991

10

Removal of TBDMS protecting groups from carbohydrates using catalytic transfer hydrogenation

James F. Cormier

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 137 KB

english, 1991

11

Nickel-catalyzed cross-coupling of unactivated neopentyl iodides with Grignard reagents

Kaixu Yuan, William J. Scott

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 262 KB

english, 1991

12

Zn++-complexes as models of metalloenzymes in micellar esterolysis : ligand structure-dependent stoichiometry of the complexes.

V. Faivre, A. Brembilla, D. Roizard, P. Lochon

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 282 KB

english, 1991

13

An unsymmetrical gold (III) - Zinc (II) oblique bis-porphyrin

Valérie Heitz, Sylvie Chardon-Noblat, Jean-Pierre Sauvage

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 158 KB

english, 1991

14

Further observations on the thermal stability of N-hydroxy-2-thiopyridone esters: improved decarboxylative radical additions to olefins

Jean Boivin, Elisabeth Crépon (née da Silva), Samir Z. Zard

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 289 KB

english, 1991

15

Polyazatetraphosphorus PC and PNN macrocycles

Frédéric Gonce, Anne-Marie Caminade, Jean Pierre Majoral

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 225 KB

english, 1991

16

Efficient chemical synthesis of oligodeoxynucleotides containing a true abasic site

Didier Péoc'h, Albert Meyer, Jean-Louis Imbach, Bernard Rayner

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 279 KB

english, 1991

17

Structure of syzygiol: a skin-tumor promotion inhibitor

Mugio Nishizawa, Hidetoshi Yamada, Junko Sano, Shô Itô, Yuji Hayashi, Hiroshi Ikeda, Chairul, Motoo Shiro, Harukuni Tokuda

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 152 KB

english, 1991

18

Structure of lydicamycin, a new antibiotic of a novel skeletal type

Yoichi Hayakawa, Naoyuki Kanamaru, Naoko Morisaki, Haruo Seto, Kazuo Furihata

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 239 KB

english, 1991

19

Structure of cyclothiazomycin, a unique polythiazole-containing peptide with renin inhibitory activity. Part 1. Chemistry and partial structures of cyclothiazomycin

Masahiro Aoki, Tatsuo Ohtsuka, Yoshiko Itezono, Kazuteru Yokose, Kazuo Furihata, Haruo Seto

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 318 KB

english, 1991

20

Structure of cyclothiazomycin, a unique polythiazole-containing peptide with renin inhibitory activity. Part 2. Total structure

Masahiro Aoki, Tatsuo Ohtsuka, Yoshiko Itezono, Kazuteru Yokose, Kazuo Furihata, Haruo Seto

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 245 KB

english, 1991

21

Palladium-catalyzed carbonyl allylation by 2-(hydroxymethyl)acrylate derivatives: synthesis of α-methylene-γ-butyrolactones

Yoshiro Masuyama, Yumiko Nimura, Yasuhiko Kurusu

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 237 KB

english, 1991

22

β-Trichlorotelluro ketones. Preparation and extremely facile dehydrotelluration leading to α-methylene ketones

Hiroyuki Nakahira, Ilhyong Ryu, Libiao Han, Nobuaki Kambe, Noboru Sonoda

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 246 KB

english, 1991

23

Stereocontrolled convergent synthesis of hydroxyethylene dipeptide isosteres by the reaction of α-amino aldehyde with alkoxytitanium homoenolates

Shinzo Kano, Tsutomu Yokomatsu, Shiroshi Shibuya

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 236 KB

english, 1991

24

Palladium-catalyzed carbonylation to form 2-substituted 1,4-dihydro-4-oxo-quinoline

Sigeru Torii, Hiroshi Okumoto, Long He Xu

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 289 KB

english, 1991

25

Enzymatic synthesis of glycinoprenols

Shin-ichi Ohnuma, Tanetoshi Koyama, Kyozo Ogura

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 157 KB

english, 1991

26

Cobalt mediated cyclisations of epoxy olefins

David C. Harrowven, Gerald Pattenden

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 250 KB

english, 1991

27

Tetrahydrothiophene nucleosides as potential anti-HIV agents

Martin F. Jones, Stewart A. Noble, Colin A. Robertson, Richard Storer

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 195 KB

english, 1991

28

Experimental evidence for a free-radical chain mechanism in the photo-initiated addition of alcohols

Oldřich Paleta, Zuzana Budková, Jaroslav Kvičala, Hans-Joachim Timpe

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 211 KB

english, 1991

29

A new convenient approach to peptide synthesis using a diselenide and a phosphine

Usha Singh, Sunil K. Ghosh, Mohindra S. Chadha, Vasant R. Mamdapur

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 268 KB

english, 1991

30

A new synthetic route to (±)-thienamycin via 4-exo trigonal cyclisation of carbamoyl cobalt intermediates

Gerald Pattenden, Stephen J. Reynolds

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 220 KB

english, 1991

31

A photochemically-based stereoselective entry to some phenolic trans 2-arylbenzocyclobutenol methyl ethers

Gloria Coll, Antoni Costa, Pere M. Deyá, José M. Saá

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 335 KB

english, 1991

32

Enantiospecific and diastereoselective synthesis of C11-C17 fragment of tylonolide from “asymmetrized tris (hydroxymethyl)methane”

Giuseppe Guanti, Luca Banfi, Chiara Ghiron, Enrica Narisano

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 282 KB

english, 1991

33

Synthesis of (±)-2′-oxa-carbocyclic-2′,3′-dideoxynucleosides as potential anti-HIV agents

Mark J. Bamford, David C. Humber, Richard Storer

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 219 KB

english, 1991

34

Intramolecular acylation of α-sulfinyl carbanion: a facile synthesis of (±)-pentenomycin I and (±)-epipentenomycin I.

Manat Pohmakotr, Supatara Popuang

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 216 KB

english, 1991

35

Palladium (II) catalysed tandem [2,3]-sigmatropic shift-1,3-dipolar cycloaddition processes in oxime O-allyl ethers

Ronald Grigg, Jasothara Markandu

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 216 KB

english, 1991

36

A potential carbapenem intermediate from L-glutamic acid

Peter Somfai, Hua Ming He, David Tanner

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 226 KB

english, 1991

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