Volume 34; Issue 44

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Tetrahedron Letters
Volume 34; Issue 44

Tetrahedron Letters

Volume 34; Issue 44

1

Graphical abstracts

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 730 KB

english, 1993

2

An enantioselective synthesis of (6R)-lactacystin

E.J. Corey, Soongyu Choi

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 266 KB

english, 1993

3

Synthesis of (6R,7S)-lactacystin and 6-deoxylactacystin from a common intermediate

E.J. Corey, Gregory A. Reichard

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 256 KB

english, 1993

4

Studies on the total synthesis of lactacystin. An improved aldol coupling reaction and a β-lactone intermediate in thiol ester formation

E.J. Corey, Gregory A. Reichard, Robert Kania

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 274 KB

english, 1993

5

Reactions of 2-aminoimidazoles with aldehydes. Hydroxyalkylation and cycloaddition.

Ying-zi Xu, Kenichi Yakushijin, David A. Horne

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 295 KB

english, 1993

6

Second generation double-chain cleavable surfactants

David A. Jaeger, Sarah G.G. Russell

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 237 KB

english, 1993

7

Oxazoline-mediated biaryl coupling reactions. Stereocontrolled synthesis of 2,2′,6,6′-tetrasubstituted biphenyls.

Henk Moorlag, A.I. Meyers

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 241 KB

english, 1993

8

An asymmetric synthesis of a C2 symmetric tetrasubstituted biaryl: 2,2′-Dihydroxy-6,6′-dimethyl-1,1′-biphenyl, a stable chiral system

Henk Moorlag, A.I. Meyers

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 250 KB

english, 1993

9

Carbonyl assisted intramolecular ring opening of 2-oxetanones: A stereoselective route to 2,5-disubstituted tetrahydrofurans

Keith T. Mead, Sasi K. Pillai

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 254 KB

english, 1993

10

Synthesis of the individual enantiomers of the benzoquinolinone human type 1 steroid 5-α-reductase inhibitors LY191704 and LY266111

James E. Audia, David E. Lawhorn, Jack B. Deeter

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 297 KB

english, 1993

11

An AC → ABC approach to taxol involving B-ring closure at C-1–C-2

Charles S. Swindell, Madhavi C. Chander, Julia M. Heerding, Peter G. Klimko, Leera T. Rahman, J.Venkat Raman, Hemalatha Vencataraman

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 251 KB

english, 1993

12

The redox-sensitive, colored N-3-(3′,6′-dioxo-2′,4′,5′-trimethylcyclobexa-1′,4′-diene)-3,3-dimethylpropionyl (Q) amino-protecting group

Louis A. Carpino, Fatemeh Nowshad

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 240 KB

english, 1993

13

Synthesis of 1α-Pyrophosphoryl-2α,3α-dihydroxy-4β-cyclopentanemethanol-5-phosphate, a Carbocyclic Analog of 5-Phosphoribosyl-1-pyrophosphate (PRPP)

Ronald J. Parry, Kochat Haridas

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 233 KB

english, 1993

14

Facile construction of the bicyclo[6.4.0]dodecane ring system via intramolecular cyclization of a sulfone stabilized carbanion

Erich L. Grimm, Michel L. Coutu, Laird A. Trimble

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 155 KB

english, 1993

15

A convenient procedure for the preparation of fully-protected C-terminal glycopeptides

Amy C. Bauman, J.Scott Broderick, Robert M. Dacus IV, Danny A. Grover, Larry S. Trzupek

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 288 KB

english, 1993

16

Determination of DNA cross-linking sequence specificity of FR66979: Observations on the mode of action of the FR900482 class of anti-tumor compounds

Robert M. Williams, Scott R. Rajski

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 292 KB

english, 1993

17

Bis(imine)-copper(II) complexes as chiral lewis acid catalysts for the Diels-Alder reaction

David A. Evans, Thomas Lectka, Scott J. Miller

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 309 KB

english, 1993

18

Head-to-tail cyclization and use of Cα-allyl ester protection improves the yield of cyclic peptides synthesized by the oxime resin method

Afrodite Kapurniotu, John W. Taylor

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 370 KB

english, 1993

19

Macrocyclic renin inhibitors: Synthesis of a subnanomolar, orally active cysteine derived inhibitor

Lihu Yang, Ann E. Weber, William J. Greenlee, Arthur A. Patchett

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 313 KB

english, 1993

20

Deprotection and cleavage methods for protected peptide resins containing 4-[(diethylphosphono)difluoromethyl]-D,L-phenylalanine residues

Akira Otaka, Terrence R. Burke Jr., Mark S. Smyth, Motoyoshi Nomizu, Peter P. Roller

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 324 KB

english, 1993

21

A facile synthesis of N,O-bis(tert-butoxycarbonyl)-hydroxylamine

Michael A. Staszak, Christopher W. Doecke

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 134 KB

english, 1993

22

Oxidation von 4-N.N-dimethylaminophenyl-1-phosphabutatrienen zu diphosphanen mit “Malachitgrün”-chromophoren

G. Märkl, P. Kreitmeier, R. Daffner

Journal:

Tetrahedron Letters

Year:

1993

File:

PDF, 198 KB

1993

23

Highly diastereoselective coupling reactions between chiral benzaldehyde tricarbonylchromium complexes and activated double bonds

E.Peter Kündig, He Xu Long, Patrick Romanens, Gérald Bernardinelli

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 336 KB

english, 1993

24

The influence of substituents at prochiral centers on the stereoselectivity of enolate radicals

B. Glese, W. Damm, T. Witzel, H.-G. Zeitz

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 199 KB

english, 1993

25

Ring enlargement of 2-Oxo-1,3-dithiane : Easy access to 4-substituted-7,8-dihydro-2H,6H-1,5-dithiocin-2-one.

Guy Fournet, Jacques Goré

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 135 KB

english, 1993

26

Synthesis of (±) myo-inositol-1-O-methylphosphonate-4,5-bis(phosphate), an analogue of D-Myo-inositol-1,4,5-tris(phosphate).

Laurent Schmitt, Bernard Spiess, Gilbert Schlewer

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 127 KB

english, 1993

27

Compared reactivity of a β-aminothiol and a β-Aminoalcohol towards Phenylglyoxal

Claude Agami, François Couty, Béatrice Prince, Olivier Venier

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 130 KB

english, 1993

28

Highly stereoselective cationic cyclization assisted by a sulfenyl group

Kazuaki Kudo, Yukihiko Hashimoto, Kazuhiko Saigo

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 264 KB

english, 1993

29

A stereoselective synthesis of γδ-unsaturated ketones possessing perfluoroalkyl groups by trifluoroborane etherate mediated 1,4-addition reaction of alkenyldiisopropoxyboranes to α,β-unsaturated ketones

Ei-ichi Takada, Shoji Hara, Akira Suzuki

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 242 KB

english, 1993

30

A stereoselective synthesis of 3,3-disubstituted allylborane derivatives using haloboration reaction and their application for the diastereospecific synthesis of homoallylic alcohols having quaternary carbon

Michihiko Sato, Yasunori Yamamoto, Shoji Hara, Akira Suzuki

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 206 KB

english, 1993

31

Asymmetric total synthesis of (+)-goniopypyrone

Zhou Wei-Shan, Yang Zhi-Cai

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 127 KB

english, 1993

32

An amphiphilic porphyrin with unexpected aggregation behaviour

Albertus P.H.J. Schenning, Martinus C. Feiters, Roeland J.M. Nolte

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 139 KB

english, 1993

33

Studies on cyclodepsipeptides - Part I : A stereoselective synthesis of C12 polyketide unit (C1–C8) present in Jaspamide and Geodiamolide A–F

A.V.Rama Rao, Mukund K. Gurjar, Bhaskara Rao Nallaganchu, Ashok Bhandari

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 196 KB

english, 1993

34

Studies on cyclodepsipeptides - part II : The total synthesis of jaspamide and geodiamolide-D

AV Rama Rao, Mukund K. Gurjar, Bhaskara Rao Nallaganchu, Ashok Bhandari

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 229 KB

english, 1993

35

Acid-catalyzed oxidation of furan derivatives by t-butyl hydroperoxide

Roberto Antonioletti, Luca Arista, Francesco Bonadies, Ludovica Locati, Arrigo Scettri

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 181 KB

english, 1993

36

Addition of aluminium hydride to formaldehyde.

James M. Coxon, Richard T. Luibrand

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 268 KB

english, 1993

37

Transition state hyperconjugation as a cause of π-facial selection in cyclohexanones.

James M. Coxon, Richard T. Luibrand

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 296 KB

english, 1993

38

Studies on the reactivity of 2,5-dimethoxy-2,5-dihydrofuran with phenylselenium reagents: Synthesis of highly functionalised C4 building blocks

Cristina Cecchini, Antonella De Mico, Franco D'Onofrio, Giovanni Piancatelli, Daniela Tofani

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 195 KB

english, 1993

39

New catalysts containing an N-PO structural unit for the asymmetric reduction of ketones.

Barry Burns, John R. Studley, Martin Wills

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 126 KB

english, 1993

40

Highly stereoselective synthesis of cis-(2R,3S)-3-hydroxyproline

Janusz Jurczak, Piotr Prokopowicz, Adam Gołȩbiowski

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 198 KB

english, 1993

41

Studies directed towards the synthesis of rapamycin : Stereoselective synthesis of C-1 to C-15 segment.

AV Rama Rao, Vidyanand Desibhatla

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 236 KB

english, 1993

42

Carbamoyl and thiocarbamoyl lithium: A new route by naphthalene-catalysed chlorine-lithium exchange

Diego J. Ramón, Miguel Yus

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 240 KB

english, 1993

43

A radical-organometallic glycine synthon. Preparation of homochiral heterocyclic α-amino acids

María E. Lloris, Marcial Moreno-Mañas

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 242 KB

english, 1993

44

Peptide bond formation via an intramolecular rearrangement

Jac C.H.M. Wijkmans, Jacques H. van Boom, Wim Bloemhoff

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 278 KB

english, 1993

45

Bis(trimethylsilyl) sulfate-silica catalysed thioacetalisationb of carbonyl compounds

Harish K. Patney

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 147 KB

english, 1993

46

Affinity purification of synthetic peptides and proteins on porous graphitised carbon

Angus R. Brown, Stephen L. Irving, Robert Ramage

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 266 KB

english, 1993

47

4-(17-tetrabenzo[a,c,g,i]fluorenylmethyl)-41′,4″-Dimethoxytrityl Chloride: A hydrophobic 5′-protecting group for the separation of synthetic oligonucleotides.

Robert Ramage, Franck Olivier Wahl

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 234 KB

english, 1993

48

Studies in biomimetic polyether synthesis: Construction of an ABCD-ring subunit of etheromycin using polyepoxide cascade cyclisations.

Ian Paterson, Richard D. Tillyer, Jeff B. Smaill

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 323 KB

english, 1993