Volume 31; Issue 24

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Tetrahedron Letters
Volume 31; Issue 24

Tetrahedron Letters

Volume 31; Issue 24

1

Graphical abstracts

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 552 KB

english, 1990

2

Diels-alder reactions: Rate acceleration promoted by a biphenylenediol

T.Ross Kelly, Premji Meghani, Vadiraj S. Ekkundi

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 301 KB

english, 1990

3

Tricarbonyl(tropone)iron as a useful functionalized enone equivalent

James H. Rigby, Cyprian O. Ogbu

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 223 KB

english, 1990

4

Reactions of organocuprates with vinyl-triflates and related cephems: A novel approach to 3-substituted cephalosporins

Joydeep Kant, Chester Sapino Jr., Stephen R. Baker

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 229 KB

english, 1990

5

A new family of five-carbon iminoalditols which are potent glycosidase inhibitors

Ronald C. Bernotas, George Papandreou, Jonathan Urbach, Bruce Ganem

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 243 KB

english, 1990

6

Carboxyl-mediated pictet-spengler reaction. Direct synthesis of 1,2,3,4-tetrahydro β-carbolines from tryptamine-2-carboxylic acids.

Krishnaswamy Narayanan, James M Cook

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 237 KB

english, 1990

7

Aryl-substituted cyclohexadienyl complexes: Novel intermediates for an organometallic approach to Sceletium and Amaryllidaceae alkaloid synthesis.

D.A. Owen, G.R. Stephenson, H. Finch, S. Swanson

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 231 KB

english, 1990

8

Porcine pancreatic lipase mediated selective acylation of primary alcohols in organic solvents

Sowmianarayanan Ramaswamy, Brian Morgan, Allan.C. Oehlschlager

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 209 KB

english, 1990

9

General approach for the synthesis of polyquinenes via the weiss reaction XII. The chugaev approach to ellacene (1,10-cyclododecanotriquinancene)

Xiaoyong Fu, James M. Cook

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 284 KB

english, 1990

10

Structure and stereochemistry of pseudolarolide-H, a novel peroxy triterpene dilactone from Pseudolarix kaempferi

Chen Guo-Fu, Li Zhu-Lian, Chen Ke, Tang Cheng-Min, He Xiang, Pan De-Ji, Donald R. McPhail, Andrew T. McPhail, Lee Kuo-Hsiung

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 232 KB

english, 1990

11

Stereospecific synthesis of secondary amines by the Mitsunobu reaction

Michael L. Edwards, David M. Stemerick, James R. McCarthy

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 265 KB

english, 1990

12

A new and versatile route for the synthesis of highly substituted benzenoids

Jeffrey A. Robl

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 261 KB

english, 1990

13

Synthesis of a chemically and metabolically stable and biologically potent PGD2-analogue

B. Buchmann, W. Skuballa, H. Vorbrüggen

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 287 KB

english, 1990

14

First synthesis of pentacoordinated phosphirenes

Michael Ehle, Oliver Wagner, Uwe Bergsträβer, Manfred Regitz

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 240 KB

english, 1990

15

A synthesis of (+)-pederin. The metallated dihydropyran approach.

Krzysztof Jarowicki, Philip Kocieński, Stanislaw Marczak, Timothy Willson

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 267 KB

english, 1990

16

Chemistry of insect antifeedants from azadirachta indica (part 7): Preparation of an optically pure hydroxyacetal epoxide related to azadirachtin.

James C. Anderson, Steven V. Ley

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 255 KB

english, 1990

17

Regioselective photo isomerisation of retinolacetate

V Jayathirtha Rao, U.T Bhalerao

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 260 KB

english, 1990

18

Synthesis of a C16–C28 spiroacetal fragment of avermectin B1a and reassignment of some 1H and 13C resonances of avermectin B1a

David Diez-Martin, Peter Grice, Hartmuth C. Kolb, Steven V. Ley, Andrew Madin

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 235 KB

english, 1990

19

Total synthesis of myo-inositol polyphosphates from benzene via conduritol B derivatives

Howard A.J. Carless, Kofi Busia

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 222 KB

english, 1990

20

Dimethyl(methylthio)sulfonium fluoroborate induced cyclization of dithioacetals upon 2,3-disubstituted indoles

Mercedes Amat, Mercedes Alvarez, Josep Bonjoch, Núria Casamitjana, Jordi Gràcia, Rodolfo Lavilla, Xavier Garcías, Joan Bosch

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 257 KB

english, 1990

21

Stereoelectronic factors in the synthesis of tetrahydrofurans by hydroxyl participation in phenylthio migration

Sara McIntyre, Stuart Warren

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 241 KB

english, 1990

22

Cyclopentanoid allysilanes in synthesis: Generation via intramolecular ene reaction of activated 1,6-dienes and application to the synthesis of functionalized diquinanes

T.K. Sarkar, S.K. Ghosh, P.S.V. Subba Rao, T.K. Satapathi

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 249 KB

english, 1990

23

Cyclopentanoid allylsilanes in synthesis : A stereoselective synthesis of (+)-hirsutene

T.K. Sarkar, S.K. Ghosh, P.S.V. Subba Rao, V.R. Mamdapur

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 107 KB

english, 1990

24

Coleonolic acid, a rearranged ursane triterpenoid from coleus forskohlII

Raja Roy, R.A. Vishwakarma, Neeraj Varma, J.S. Tandon

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 237 KB

english, 1990

25

Exocyclic bromination of N-substituted β- and γ-lactams

Christopher J. Easton, Michael J. Pitt

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 245 KB

english, 1990

26

Oxidative decarboxylation of 17(20)-dehydro-2,324-dinorcholanoic acids

András Toró, Gábor Ambrus

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 122 KB

english, 1990

27

Selectivity and mechanism in the microsomal benzylic hydroxylation

Rachele Amodeo, Enrico Baciocchi, Manuela Crescenzi, Osvaldo Lanzalunga

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 223 KB

english, 1990

28

N-metallo-imines: A new approach to α-amino alcohols from cyanohydrins.

Gianfranco Cainelli, Elisabetta Mezzina, Mauro Panunzio

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 217 KB

english, 1990

29

Tin (IV) chloride-promoted reactions of β-dicarbonyl compounds with nitriles. Synthesis of aminopyridines and aminoquinolines.

Augusto C. Veronese, Rosella Callegari, Suada Ahmed Ali Salah

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 212 KB

english, 1990

30

Deoxynucleoside phosphorodithioates. Preparation by a triester method

Bjarne H. Dahl, Kirsten Bjerg»rde, John Nielsen, Otto Dahl

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 314 KB

english, 1990

31

Synthesis of the N-glycopeptide partial sequence A1–A12 of the β-chain of glycosylated haemoglobin HbA1c. A new approach to amadori N-glycopeptides.

Nigel J. Forrow, Mark J. Batchelor

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 165 KB

english, 1990

32

Intramolecular free-radical substitution reactions of pyridinium rings: Efficient formation of [5,6]- and [6,7]-fused ring systems.

John A. Murphy, Michael S. Sherburn

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 103 KB

english, 1990

33

A simple and efficient “one-pot” synthesis of 2-aza-1,3-butadienes from N-vinylic λ5phosphazenes

José Barluenga, Miguel Ferrero, Francisco Palacios

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 229 KB

english, 1990

34

The scope of a new approach to tetrahydrooxepanol synthesis

C.W. Bird, N. Hormozi

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 195 KB

english, 1990

35

The dermocanarins, unique macrocyclic lactones from the fungus dermocybe canaria

Melvyn Gill, Alberto Gimenez

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 271 KB

english, 1990

36

Rearrangement of unsym-azetidinone disulphides to 2β-(thio-substituted methyl) penams

Marco Alpegiani, Franco Giudici, Ettore Perrone, Daniela Borghi

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 288 KB

english, 1990

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