Volume 39; Issue 22

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Tetrahedron Letters
Volume 39; Issue 22

Tetrahedron Letters

Volume 39; Issue 22

1

Chromatographic purification of quaternary ammonium and pyridinium compounds on normal phase silica gel

Louis H. Bluhm, Tingyu Li

Journal:

Tetrahedron Letters

Year:

1998

Language:

english

File:

PDF, 246 KB

english, 1998

2

Stereoselective reductive coupling of carbonyl compounds by a SmEt2AII system

Yutaka Nishiyama, Eiji Shinomiya, Shouji Kimura, Kazuyoshi Itoh, Noboru Sonoda

Journal:

Tetrahedron Letters

Year:

1998

Language:

english

File:

PDF, 234 KB

english, 1998

3

Production of new carotenoids, astaxanthin glucosides, by Escherichia coli transformants carrying carotenoid biosynthesis genes

Akihiro Yokoyama, Yoshikazu Shizuri, Norihiko Misawa

Journal:

Tetrahedron Letters

Year:

1998

Language:

english

File:

PDF, 236 KB

english, 1998

4

Electrophilic addition to 4-thio furanoid glycal: a highly stereoselective entry to 2′-deoxy-4′-thio pyrimidine nucleosides

Kazuhiro Haraguchi, Ayako Nishikawa, Eiko Sasakura, Hiromichi Tanaka, Kazuo T. Nakamura, Tadashi Miyasaka

Journal:

Tetrahedron Letters

Year:

1998

Language:

english

File:

PDF, 222 KB

english, 1998

5

Intramolecular cationic [5+2]cycloaddition reaction of penta- substituted phenols by using anodic oxidation

Hiroyuki Takakura, Shosuke Yamamura

Journal:

Tetrahedron Letters

Year:

1998

Language:

english

File:

PDF, 177 KB

english, 1998

6

Electronic and steric effects of various silyl groups in radical addition reactions

Jih Ru Hwu, Ke Yung King, I-Fay Wu, Gholam H. Hakimelahi

Journal:

Tetrahedron Letters

Year:

1998

Language:

english

File:

PDF, 223 KB

english, 1998

7

Synthesis of new aminoacyl-adenylate analogs having an N-acyl phosphoramidate linkage

Tomohisa Moriguchi, Terukazu Yanagi, Takeshi Wada, Mitsuo Sekine

Journal:

Tetrahedron Letters

Year:

1998

Language:

english

File:

PDF, 225 KB

english, 1998

8

Simultaneous coordination and double activation phenomena of carbonyl and epoxy oxygens by bis-titanium reagent as a bidentate Lewis acid catalyst

Naoki Asao, Satoshi Kii, Hideo Hanawa, Keiji Maruoka

Journal:

Tetrahedron Letters

Year:

1998

Language:

english

File:

PDF, 277 KB

english, 1998

9

Solid state photochemistry for fullerene functionalization: Solid state photoinduced electron transfer in the Diels-Alder reaction with anthracenes

Koichi Mikami, Shoji Matsumoto, Takayuki Tonoi, Yasutaka Okubo, Tomoyoshi Suenobu, Shunichi Fukuzumi

Journal:

Tetrahedron Letters

Year:

1998

Language:

english

File:

PDF, 234 KB

english, 1998

10

Nostofungicidine, an antifungal lipopeptide from the field-grown terrestrial blue-green alga Nostoc commune

Shin-ichiro Kajiyama, Hiroshi Kanzaki, Kazuyoshi Kawazu, Akio Kobayashi

Journal:

Tetrahedron Letters

Year:

1998

Language:

english

File:

PDF, 203 KB

english, 1998

11

Preparation of 2,2-difluoroenol silyl ethers by electroreductive defluorination of trifluoromethyl ketones

Kenji Uneyama, Kazushige Maeda, Tsuyoshi Kato, Toshimasa Katagiri

Journal:

Tetrahedron Letters

Year:

1998

Language:

english

File:

PDF, 226 KB

english, 1998

12

Dilithium 2,2′-methylenebis(4,6-di-tert-butylphenoxide) as a bidentate Lewis acid in organic synthesis

Takashi Ooi, Akira Saito, Keiji Maruoka

Journal:

Tetrahedron Letters

Year:

1998

Language:

english

File:

PDF, 204 KB

english, 1998

13

Asymmetric synthesis of α,α-disubstituted α-amino acid derivatives using MABR promoted rearrangement

Masayuki Matsushita, Hana Maeda, Mitsuaki Kodama

Journal:

Tetrahedron Letters

Year:

1998

Language:

english

File:

PDF, 211 KB

english, 1998

14

Preparation of allylsilanes by the olefination of carbonyl compounds using β-silylthioacetals

Takeshi Takeda, Mikako Watanabe, Md.Abdur Rahim, Tooru Fujiwara

Journal:

Tetrahedron Letters

Year:

1998

Language:

english

File:

PDF, 226 KB

english, 1998

15

Stannyl migration from the base to the sugar portion of 1′,2′-unsaturated uridine: the first example of substitution at the 2′-position

Hiroki Kumamoto, Satoru Shindoh, Hiromichi Tanaka, Eisen Gen, Kazuhiro Haraguchi, Atsushi Kittaka, Tadashi Miyasaka

Journal:

Tetrahedron Letters

Year:

1998

Language:

english

File:

PDF, 215 KB

english, 1998

16

Chiron approach towards a potent toxin fumonisin B1 backbone: Synthesis of its hexaacetate derivative

Mukund K Gurjar, V Rajendran, B Venkateswara Rao

Journal:

Tetrahedron Letters

Year:

1998

Language:

english

File:

PDF, 213 KB

english, 1998

17

Ulososide B, a new unusual norlanostane-triterpene glycoside and its genuine aglycone from the Madagascar sponge Ulosa sp.

Alexander S. Antonov, Anatoly I. Kalinovsky, Valentine A. Stonik

Journal:

Tetrahedron Letters

Year:

1998

Language:

english

File:

PDF, 141 KB

english, 1998

18

General syntheses of ethyl 2-ulosonates and 3-deoxy-D-manno-oct-2-ulosonic acid from carbohydrate lactones with 1-ethoxyvinyllithium

Shende Jiang, Anthony D. Rycroft, Gurdial Singh, Xiang-Zhu Wang, Yu-Lin Wu

Journal:

Tetrahedron Letters

Year:

1998

Language:

english

File:

PDF, 238 KB

english, 1998

19

Synthesis of spirosystems by rhodium(II)-carbenoid CH insertion reactions

Pompiliu S. Aburel, Kjell Undheim

Journal:

Tetrahedron Letters

Year:

1998

Language:

english

File:

PDF, 137 KB

english, 1998

20

In situ alcohol oxidation-Wittig reactions

Xudong Wei, Richard J.K Taylor

Journal:

Tetrahedron Letters

Year:

1998

Language:

english

File:

PDF, 201 KB

english, 1998

21

A novel linker for the attachment of alcohols to solid supports

Gerd Böhm, James Dowden, David C. Rice, Ian Burgess, Jean-Francois Pilard, Benedicte Guilbert, Alison Haxton, Rachael C. Hunter, Nicholas J. Turner, Sabine L. Flitsch

Journal:

Tetrahedron Letters

Year:

1998

Language:

english

File:

PDF, 263 KB

english, 1998

22

Enantio- and diastereocontrolled synthesis of (−)-19(S)-acetoxy-N1-acetyl-20-epitubifolidine

Kogyoku Shin, Minoru Moriya, Kunio Ogasawara

Journal:

Tetrahedron Letters

Year:

1998

Language:

english

File:

PDF, 224 KB

english, 1998

23

Thiouronium-thymine conjugate as a new carrier for selective transport of 5′-AMP

Woon-Seok Yeo, Jong-In Hong

Journal:

Tetrahedron Letters

Year:

1998

Language:

english

File:

PDF, 213 KB

english, 1998

24

Efficient and stereospecific construction of asymmetric quaternary carbons via γ-alkyl-γ,δ-epoxy acrylates

Naoki Ishibashi, Masahiro Miyazawa, Masaaki Miyashita

Journal:

Tetrahedron Letters

Year:

1998

Language:

english

File:

PDF, 219 KB

english, 1998

25

Molecular receptor for binding quaternary ammonium salts and a large anion effect on the complexation

Kyu-Sung Jeong, Kyu-Myoung Hahn, Young Lag Cho

Journal:

Tetrahedron Letters

Year:

1998

Language:

english

File:

PDF, 230 KB

english, 1998

26

Alkynylbenzotriazoles by direct alkynylation of benzotriazole using alkynyliodonium salts

Tsugio Kitamura, Norihiko Tashi, Kuniyuki Tsuda, Yuzo Fujiwara

Journal:

Tetrahedron Letters

Year:

1998

Language:

english

File:

PDF, 204 KB

english, 1998

27

Two novel skeletal diterpenoids, neodenudatenones A and B, from the liverwort Odontoschisma denudatum

Toshihiro Hashimoto, Akari Kikkawa, Mayumi Yoshida, Masami Tanaka, Yoshinori Asakawa

Journal:

Tetrahedron Letters

Year:

1998

Language:

english

File:

PDF, 195 KB

english, 1998

28

Memory effect of chirality in the photocyclization of modified dipeptides

Stefan Sauer, Andreas Schumacher, Frédérique Barbosa, Bernd Giese

Journal:

Tetrahedron Letters

Year:

1998

Language:

english

File:

PDF, 209 KB

english, 1998

29

The use of tris(2-aminoethyl)amine in macrocyclization processes

Piotr Lipkowski, Daniel T. Gryko, Janusz Jurczak, Janusz Lipkowski

Journal:

Tetrahedron Letters

Year:

1998

Language:

english

File:

PDF, 190 KB

english, 1998

30

Rotational energy barrier of the polarized carbon-carbon double bond in 3-(4-dimethylaminobenzylidene)pentane-2,4-dione

Issa Yavari, Afsaneh Zonouzi, Rahim Hekmat-Shoar

Journal:

Tetrahedron Letters

Year:

1998

Language:

english

File:

PDF, 132 KB

english, 1998

31

Nucleophilic substitution of protected 2-amino-4-butanoic acid. An easy route to exotic amino acids and conformationally constrained peptides

Paola Ciapetti, André Mann, Angèle Shoenfelder, Maurizio Taddei

Journal:

Tetrahedron Letters

Year:

1998

Language:

english

File:

PDF, 211 KB

english, 1998

32

Hypervalent iodine chemistry: Novel and direct thiocyanation of alkenes using [bis(acetoxy)iodo]benzene/trimethylsilyl isothiocyanate reagent combination. Synthesis of 1,2-dithiocyanates

Moira Bruno, Roberto Margarita, Luca Parlanti, Giovanni Piancatelli, Maila Trifoni

Journal:

Tetrahedron Letters

Year:

1998

Language:

english

File:

PDF, 138 KB

english, 1998

33

A new and efficient route to the synthesis of pyrazole and pyrimidine C-nucleoside derivatives

Augusto C Veronese, Carlo F Morelli

Journal:

Tetrahedron Letters

Year:

1998

Language:

english

File:

PDF, 191 KB

english, 1998

34

Small ring constrained peptidomimetics. Synthesis of aziridine parallel β-sheet mimetics

Silvia N. Filigheddu, Maurizio Taddei

Journal:

Tetrahedron Letters

Year:

1998

Language:

english

File:

PDF, 194 KB

english, 1998

35

Cyclisation and rearrangement of N4-acylaminodeoxycytidines

David Loakes, Daniel M. Brown, Stephen A. Salisbury

Journal:

Tetrahedron Letters

Year:

1998

Language:

english

File:

PDF, 213 KB

english, 1998

36

Practical synthesis of α-amino acids using cis-aminoindanol derived hippuric acid amide as a glycine enolate equivalent

Jaemoon Lee, Woo-Baeg Choi, Joseph E Lynch, R.P Volante, P.J Reider

Journal:

Tetrahedron Letters

Year:

1998

Language:

english

File:

PDF, 182 KB

english, 1998

37

An approach to the A/B substructure of 11(15→ 1)-abeotaxanes. A formal synthesis of compressanolide

Gordon L. Lange, Alexandru Merica

Journal:

Tetrahedron Letters

Year:

1998

Language:

english

File:

PDF, 196 KB

english, 1998

38

Zinc barbier reaction of propargyl halides in water

Lothar W. Bieber, Margarete F. da Silva, Rosenildo C. da Costa, Lília O.S. Silva

Journal:

Tetrahedron Letters

Year:

1998

Language:

english

File:

PDF, 261 KB

english, 1998

39

Synthetic studies on tetrazomine: Stereochemical assignment of the β-hydroxypipecolic acid

Jack D. Scott, Tracy N. Tippie, Robert M. Williams

Journal:

Tetrahedron Letters

Year:

1998

Language:

english

File:

PDF, 216 KB

english, 1998

40

Extremely stereoselective alkylation of 3-siloxy-β-lactams and its applications to the asymmetric syntheses of novel 2-alkylisoserines, their dipeptides, and taxoids

Iwao Ojima, Tao Wang, Francette Delaloge

Journal:

Tetrahedron Letters

Year:

1998

Language:

english

File:

PDF, 194 KB

english, 1998

41

N-chloro-N-sodio-2-trimethylsilyl ethyl carbamate: A new nitrogen source for the catalytic asymmetric aminohydroxylation

K.Laxma Reddy, K.Ruprecht Dress, K.Barry Sharpless

Journal:

Tetrahedron Letters

Year:

1998

Language:

english

File:

PDF, 237 KB

english, 1998

42

Solid phase synthesis of 2,4,5-trisubstituted thiomorpholin-3-ones

Adel Nefzi, Marc Giulianotti, Richard A. Houghten

Journal:

Tetrahedron Letters

Year:

1998

Language:

english

File:

PDF, 170 KB

english, 1998

43

Facile and efficient syntheses of 2,2′-bipyridine-based bis(phosphonic) acids

Virginie Penicaud, Fabrice Odobel, Bruno Bujoli

Journal:

Tetrahedron Letters

Year:

1998

Language:

english

File:

PDF, 216 KB

english, 1998

44

A highly selective synthesis of α-monofluoro- and α-monochloro- benzylphosphonates using electrophilic halogenation of benzylphosphonates carbanions

Bogdan Iorga, Frédéric Eymery, Philippe Savignac

Journal:

Tetrahedron Letters

Year:

1998

Language:

english

File:

PDF, 211 KB

english, 1998

45

A stereoselective synthesis of methyl β-C-lactoside through the tether approach

Gilles Rubinstenn, Jean-Maurice Mallet, Pierre Sinaÿ

Journal:

Tetrahedron Letters

Year:

1998

Language:

english

File:

PDF, 252 KB

english, 1998

46

Bis-amidinium calixarenes: Templates for self-assembled receptors

Journal:

Tetrahedron Letters

Year:

1998

Language:

english

File:

PDF, 184 KB

english, 1998

47

Solid phase synthesis of urea libraries using a diversifiable thiophenoxy carbonyl linker

Bruce A Dressman, Upinder Singh, Stephen W Kaldor

Journal:

Tetrahedron Letters

Year:

1998

Language:

english

File:

PDF, 255 KB

english, 1998

48

Corrigendum

Journal:

Tetrahedron Letters

Year:

1998

File:

PDF, 26 KB

1998

49

Contributors to this issue

Journal:

Tetrahedron Letters

Year:

1998

File:

PDF, 90 KB

1998

50

Graphical abstracts

Journal:

Tetrahedron Letters

Year:

1998

Language:

english

File:

PDF, 862 KB

english, 1998

51

Keyword List

Journal:

Tetrahedron Letters

Year:

1998

Language:

english

File:

PDF, 406 KB

english, 1998

52

Preparation of 1-alkynyl 2-(trimethylsilyl)ethyl sulfides as thiolate anion precursors for self-assembled monolayers

Hiroyuki Takeda, Satoru Shimada, Satomi Ohnishi, Fusae Nakanishi, Hiro Matsuda

Journal:

Tetrahedron Letters

Year:

1998

Language:

english

File:

PDF, 200 KB

english, 1998

53

A molecular vernier

T. Ross Kelly, Roger L. Xie, Carolyn Kraebel Weinreb, Therese Bregant

Journal:

Tetrahedron Letters

Year:

1998

Language:

english

File:

PDF, 239 KB

english, 1998

54

An efficient synthesis of α-acyloxyketone by Cu(acac)2-catalyzed insertion reaction of α-diazoketone to carboxylic acid

Tetsuro Shinada, Tadashi Kawakami, Hiroshi Sakai, Ichinori Takada, Yasufumi Ohfune

Journal:

Tetrahedron Letters

Year:

1998

Language:

english

File:

PDF, 181 KB

english, 1998

55

One-pot synthesis of polyaza[n]naphthalenophanes and polyaza[n]anthracenophanes

M.Isabel Burguete, Beatriu Escuder, Santiago V. Luis, Juan F. Miravet, Manuel Querol, Enrique García-España

Journal:

Tetrahedron Letters

Year:

1998

Language:

english

File:

PDF, 199 KB

english, 1998

56

Cu(OTf)2 catalyzed trimethylsilyl cyanide addition to carbonyl compounds

P. Saravanan, R.Vijaya Anand, Vinod K. Singh

Journal:

Tetrahedron Letters

Year:

1998

Language:

english

File:

PDF, 103 KB

english, 1998

57

Biosynthetic origin of the antheridiogen, gibberellin A73 methyl ester, in ferns of the Lygodium genus

Graham M. Wynne, Lewis N. Mander, Nobuyuki Goto, Hisakazu Yamane, Toshio Omori

Journal:

Tetrahedron Letters

Year:

1998

Language:

english

File:

PDF, 246 KB

english, 1998

58

The first direct synthesis of pterocarpans via aldol condensation of phenylacetates with benzaldehydes

Theunis G. van Aardt, Pieter S. van Heerden, Daneel Ferreira

Journal:

Tetrahedron Letters

Year:

1998

Language:

english

File:

PDF, 186 KB

english, 1998

59

Gymnasterones, novel cytotoxic metabolites produced by a fungal strain from a sponge

Taro Amagata, Katsuhiko Minoura, Atsushi Numata

Journal:

Tetrahedron Letters

Year:

1998

Language:

english

File:

PDF, 139 KB

english, 1998

60

Synthesis of optically active dendritic binaphthols and their metal complexes for asymmetric catalysis

Shigeru Yamago, Makoto Furukawa, Akira Azuma, Jun-ichi Yoshida

Journal:

Tetrahedron Letters

Year:

1998

Language:

english

File:

PDF, 246 KB

english, 1998

61

Synthetic studies on altohyrtins (spongistatins): Synthesis of the C1C14 (AB) spiroacetal portion

Takeshi Terauchi, Masaya Nakata

Journal:

Tetrahedron Letters

Year:

1998

Language:

english

File:

PDF, 222 KB

english, 1998

62

Diastereoselective synthesis of 2,6-Imino-D-allonates from chromium carbene iminosugars

Markus Klumpe, Karl Heinz Dötz

Journal:

Tetrahedron Letters

Year:

1998

Language:

english

File:

PDF, 115 KB

english, 1998

63

Stereoselective synthesis of 1,4-dienes by chelation-controlled reduction of benzothiazole β-oxosulfides

Vincenzo Caló, Angelo Nacci

Journal:

Tetrahedron Letters

Year:

1998

Language:

english

File:

PDF, 190 KB

english, 1998

64

Deoxygenation of sulfoxides and selenoxides with nickel boride

Jitender M. Khurana, Abhijit Ray, Sarika Singh

Journal:

Tetrahedron Letters

Year:

1998

Language:

english

File:

PDF, 214 KB

english, 1998

65

A novel one pot synthesis of 2-dimethylaminoquinoline derivatives from arylazido ketones by cyclization under vilsmeier condition

Ramiya R. Amaresh, Paramasivan T. Perumal

Journal:

Tetrahedron Letters

Year:

1998

Language:

english

File:

PDF, 186 KB

english, 1998

66

Rhodium catalysed decomposition of α-diazosulfoxides: Formation of α-oxo sulfines as intermediates

Anita R. Maguire, Patrick G. Kelleher, Simon E. Lawrence

Journal:

Tetrahedron Letters

Year:

1998

Language:

english

File:

PDF, 252 KB

english, 1998

67

A three-step, highly enantioselective synthesis of (R)-2-methyl tryptophane ethyl ester: Comparison with chemical resolution

Arlette Solladié-Cavallo, Johanes Schwarz, Cyrille Mouza

Journal:

Tetrahedron Letters

Year:

1998

Language:

english

File:

PDF, 226 KB

english, 1998

68

Ring-closing metathesis mediated synthesis of pyrrolizidine and quinolizidine azasugars

Herman S. Overkleeft, Pascal Bruggeman, Upendra K. Pandit

Journal:

Tetrahedron Letters

Year:

1998

Language:

english

File:

PDF, 202 KB

english, 1998

69

Generation and intramolecular cyclization of (2-ethenylphenyl)bisketenes. Synthesis of benzofuranones

Matthew J Heileman, Harold W Moore

Journal:

Tetrahedron Letters

Year:

1998

Language:

english

File:

PDF, 167 KB

english, 1998

70

The solid phase synthesis of complex propargylamines using the combination of sonogashira and mannich reactions

Alexey B. Dyatkin, Ralph A. Rivero

Journal:

Tetrahedron Letters

Year:

1998

Language:

english

File:

PDF, 194 KB

english, 1998

71

Reductive cleavage of resin bound arylsulfonates

Shujuan Jin, David P Holub, David J Wustrow

Journal:

Tetrahedron Letters

Year:

1998

Language:

english

File:

PDF, 211 KB

english, 1998

72

Toward supramolecular ion channels formed by oligonucleotide analogs: Hydrophobic guanine dimers

Li Chen, Naomi Sakai, Sara T. Moshiri, Stefan Matile

Journal:

Tetrahedron Letters

Year:

1998

Language:

english

File:

PDF, 194 KB

english, 1998

73

Parallel synthesis of 3-aminoimidazo[1,2-a]pyridines and pyrazines by a new three-component condensation

Christopher Blackburn, Bing Guan, Paul Fleming, Kazumi Shiosaki, Shirling Tsai

Journal:

Tetrahedron Letters

Year:

1998

Language:

english

File:

PDF, 242 KB

english, 1998