Volume 32; Issue 45

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Tetrahedron Letters
Volume 32; Issue 45

Tetrahedron Letters

Volume 32; Issue 45

1

Corrigendum

Journal:

Tetrahedron Letters

Year:

1991

File:

PDF, 48 KB

1991

2

Graphical abstracts

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 746 KB

english, 1991

3

An enantioselective synthesis of (−)-slaframine

Jong-Ryoo Choi, Shin Han, Jin K. Cha

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 292 KB

english, 1991

4

2π + 4π Cycloadditions of carbocation activated allenes

Paul G. Gassman, Andrew C. Lottes

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 224 KB

english, 1991

5

Catalytic methylaluminum dichloride: an efficient method for accelerating the intramolecular Diels-Alder reaction of the furan diene

Christine Rogers, Brian A. Keay

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 249 KB

english, 1991

6

Construction of the tricyclic ABC ring subunit of manzamine A via a novel intramolecular Diels-Alder reaction

Stephen F. Martin, Tobias Rein, Yusheng Liao

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 280 KB

english, 1991

7

An efficient route to C-4 linked imidazole nucleosides : synthesis of 2-carbamoyl-4-(2′-deoxy-β-d-ribofuranosyl)imidazole

Donald E. Bergstrom, Peiming Zhang

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 252 KB

english, 1991

8

BF3·OEt2 promotes fast, mild, clean and regioselective dehydration of tertiary alcohols

Gary H. Posner, Ellen M. Shulman-Roskes, Chang Ho Oh, Jean-Christophe Carry, Julianne V. Green, A.Brian Clark, Haiyan Dai, Tizah E.N. Anjeh

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 240 KB

english, 1991

9

Lewis acid activated and catalyzed cyclizations of aminyl radicals from N-hydroxypyridine-2-thione carbamates

Martin Newcomb, Chau Ha

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 308 KB

english, 1991

10

Synthesis, deprotonation, and alkylation of S-allyl sulfoximines

Michael Harmata, R.J. Claassen II

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 286 KB

english, 1991

11

A facile 3-alkyl butenolide annulation sequence

T.Howard Black, Tood S. McDermott, Gary A. Brown

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 111 KB

english, 1991

12

A new route to 6-substituted 2,3-diaminopyridines

Donald L. Bussolotti, John L. LaMattina, Keith James

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 269 KB

english, 1991

13

A stereoselective synthesis of hydroxyethylene and erythro-dihydroxyethylene dipeptide isosteres: a facial selective anti-Aldol reaction

Saul H. Rosenberg, Steven A. Boyd, Robert A. Mantei

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 147 KB

english, 1991

14

α-hydroxy esters as inexpensive chiral auxiliaries in rhodium(II)-catalyzed cyclopropanations with vinyldiazomethanes

Huw M.L. Davies, William R. Cantrell Jr.

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 278 KB

english, 1991

15

Stereochemical dependence of the rate of cyanohydrin reversion

Robert C. Corcoran, Junning Ma

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 239 KB

english, 1991

16

A novel stereospecific rearrangement of 3-substituted B-homo-5-azasteroid lactams to A-nor analogues

Thomas G. Back, Joseph H.-L. Chau, Jacek W. Morzycki

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 252 KB

english, 1991

17

Stereospecific synthesis of ether phospholipids. Preparation of 1-octadecyl-2-alkylaminodeoxyglycerophosphocholines

Ui T. Kim, Suresh K. Bhatia, Joseph Hajdu

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 272 KB

english, 1991

18

Stereospecific synthesis of ether phospholipids. Preparation of 1-O-(3′-carboxypropyl)-glycero-3-phosphoserine from glyceric acid

Ranjan P. Srivastava, Joseph Hajdu

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 241 KB

english, 1991

19

The dodecahedryl anion

Leo A. Paquette, Dean R. Lagerwall, John L. King, Satomi Niwayama

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 218 KB

english, 1991

20

Enantioselective epoxidation of conjugated dienes and enynes. Trans-epoxides from cis-olefins

Nam Ho Lee, Eric N. Jacobsen

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 255 KB

english, 1991

21

λ3-1H-phosphirene durch wasserstoff-eliminierung von λ3-phosphiranen

H.J. Metternich, E. Niecke

Journal:

Tetrahedron Letters

Year:

1991

File:

PDF, 162 KB

1991

22

Synthesis of 3-substituted 6-aminouracils

Christa E. Müller

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 163 KB

english, 1991

23

Synthesis of ethynylidene cyclopentanes by a cyclisation catalyzed by the simultaneous presence of palladium (0) and copper (I)

Didier Bouyssi, Geneviève Balme, Jacques Gore

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 215 KB

english, 1991

24

Synthese et cyclisation de carboxylsulfamides derives d'aminoacides

Nourreddine Aouf, Georges Dewynter, Jean-Louis Montero

Journal:

Tetrahedron Letters

Year:

1991

File:

PDF, 175 KB

1991

25

Asymmetric synthesis of L-diphenylalanine and L-9-fluorenylglycine via room temperature alkylations of a sultam-derived glycine imine

Hubert Josien, Arnaud Martin, Gérard Chassaing

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 287 KB

english, 1991

26

Production of α,β-epoxyaldehydes by photosensitized oxygenation of phytol : solvent effects

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 133 KB

english, 1991

27

Synthesis of lipophilic phosphate triester derivatives of 5-fluorouridine and arabinocytidine as anticancer prodrugs

Christine Le Bec, Tam Huynh-Dinh

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 263 KB

english, 1991

28

A facile reductive dimerization of conjugated acid derivatives with samarium diiodide

Junji Inanaga, Yuich Handa, Takanori Tabuchi, Kenji Otsubo, Masaru Yamaguchi, Takeshi Hanamoto

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 138 KB

english, 1991

29

Facile radical decarboxylative alkylation of heteroaromatic bases using carboxylic acids and trivalent iodine compounds

Hideo Togo, Masahiko Aoki, Masataka Yokoyama

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 273 KB

english, 1991

30

The Friedel-Crafts reaction of 1-(phenylthio)vinyl chlorides

Takeshi Takeda, Fumio Kanamori, Hideki Matsusita, Tooru Fujiwara

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 222 KB

english, 1991

31

Electroreductive coupling of halofluoro compounds with aldehydes

Tatsuya Shono, Naoki Kise, Hideaki Oka

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 249 KB

english, 1991

32

Asymmetric catalysis by chiral titanium perchlorate for carbonyl-ene cyclization

Koichi Mikami, Masahiro Terada, Eiji Sawa, Takeshi Nakai

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 251 KB

english, 1991

33

Free radical mediated ring expansion of vinyl epoxides

Sunggak Kim, Sangphil Lee

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 239 KB

english, 1991

34

Selective synthesis of allenic and acetylenic derivatives via pentaorganylstiboranes

Li-Jun Zhang, Yao-Zeng Huang, Zhe-Hui Huang

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 208 KB

english, 1991

35

Synthesis of angularly and linearly fused triquinanes via the common intramolecular Diels-Alder adduct of a masked o-benzoquinone

Jenn-Tsang Hwang, Chun-Chen Liao

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 197 KB

english, 1991

36

Theoretical study of CH-π interaction. Significant enhancement of CD spectra due to the participation of CH-π interaction.

Shin-ich Araki, Kazuhisa Sakakibara, Minoru Hirota, Motohiro Nishio, Seiji Tsuzuki, Kazutoshi Tanabe

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 282 KB

english, 1991

37

Ortho-selective nitration of acetanilides with nitrogen dioxide in the presence of ozone

Hitomi Suzuki, Taro Ishibashi, Takashi Murashima, Kenkichi Tsukamoto

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 216 KB

english, 1991

38

Difference CD spectrum : the absolute configuration of methyl sarcophytoate

Midori O. Ishitsuka, Takenori Kusumi, Hiroshi Kakisawa

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 121 KB

english, 1991

39

Composition- and temperature-sensitive membranes composed of phosphatidylcholine and triton X-100 for the remarkably enhanced stereoselective-hydrolysis

Ryuichi Ueoka, Eiichi Yamada, Osamu Yamashita, Yōko Matsumoto, Yasuo Kato

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 231 KB

english, 1991

40

Abnormal reactions of sterically bulky organometallics ArM (ar=2,4,6-tri-t-butylphenyl, M=Li or MgBr) with lead dichloride

Renji Okazaki, Kazusato Shibata, Norihiro Tokitoh

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 258 KB

english, 1991

41

Formation of 1,2,3,6-dioxadisilin in photo-induced electron transfer oxygenation of 1,2-disiletene

Takeshi Akasaka, Kazuma Sato, Masahiro Kako, Wataru Ando

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 293 KB

english, 1991

42

A regio and stereospecific radical annulation route to chiral tricyclo[4.3.1.o3,7]decane (isotwistane) system1 synthesis of (+)-10-α-Naphthyl-5-epi-Pupukean-9-one

A. Srikrishna, P. Hemamalini, G.Veera Raghava Sharma

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 150 KB

english, 1991

43

Biocatalytic asymmetric synthesis of β-aminoacid esters: improved chiral recognition in the presence of β-cyclodextrin

K.Rama Rao, Y.V.D. Nageswar, H.M.Sampath Kumar

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 124 KB

english, 1991

44

Studies directed towards the total synthesis of aranorosin

A.V. Rama Rao, M.K. Gurjar, P.A. Sharma

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 234 KB

english, 1991

45

Stereo- and regioselective metal salt-catalyzed alkynylation of 1,2-epoxides

Marco Chini, Paolo Crotti, Lucilla Favero, Franco Macchia

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 311 KB

english, 1991

46

Synthetic studies on the basic glycopeptide structure of c-mycosides

M.K. Gurjar, U.K. Saha

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 210 KB

english, 1991

47

Synthetic studies towards Leinamycin. A concise synthesis of the spiro-fused 1,3-Dioxo-1,2-dithiolane moiety.

Gerald Pattenden, Anthony J. Shuker

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 217 KB

english, 1991

48

Palladium-catalyzed reactions with N,N′-diallyloxycarbonylhydrazines

Floris P.J.T. Rutjes, Manuel M. Paz, Henk Hiemstra, W.Nico Speckamp

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 292 KB

english, 1991

49

Palladium-catalyzed synthesis of amides and peptides

Eric C. Roos, Pablo Bernabé, Henk Hiemstra, W.Nico Speckamp, Bernard Kaptein, Wilhelmus H.J. Boesten

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 273 KB

english, 1991

50

Synthesis of a peptidyldimannosyl phosphate: fragment of the variant-specific surface glycoprotein membrane anchor from trypanosoma brucei

R. Verduyn, J.J.A. Beliën, C.M. Dreef-Tromp, G.A. van der Marel, J.H. van Boom

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 275 KB

english, 1991

51

Mercury(II) trifluoroacetate-mediated cyclisation of aryl allenic ethers

T. Balasubramanian, K.K. Balasubramanian

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 237 KB

english, 1991

52

Asymmetric synthesis of spirocyclic pyrrolidines and tetrahydrofurans by chiral aldol reactions and phenylthio migration

Kelly Chibale, Stuart Warren

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 238 KB

english, 1991

53

Samarium(II) iodide promoted radical ring opening reactions of cyclopropyl ketones

Robert A. Batey, William B. Motherwell

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 258 KB

english, 1991

54

An interesting rearrangement of unsaturated sulphonate and thiosulphonate esters

Arménio C. Serra, Carlos M.M. da Silva Corrêa

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 103 KB

english, 1991