Volume 32; Issue 25

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Tetrahedron Letters
Volume 32; Issue 25

Tetrahedron Letters

Volume 32; Issue 25

1

Graphical abstracts

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 600 KB

english, 1991

2

Resolution of the histidine problem for thiol capture--synthesis of a 39-peptide

D.S Kemp, Robert I Carey

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 253 KB

english, 1991

3

Facile synthesis of thioglucose analogs of the anticancer agent etoposide

H.D. Hollis Showalterk, R.Thomas Winters, Anthony D. Sercel, Andrè Michel

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 194 KB

english, 1991

4

Tris(trimethylsilyl)silane (TTMSS) : Formation of carbon-centered radicals from oxathiolane and thiazolidine derivatives

Prabhat Arya, Maurice Lesage, Danial D.M. Wayner

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 237 KB

english, 1991

5

Highly enantioselective routes to darzens and acetate aldol products from achiral aldehydes and t-butyl bromoacetate

E.J. Corey, Soongyu Choi

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 276 KB

english, 1991

6

Controlled endocyclic and exocyclic γ-metalations of β-substituted cyclohexenyl sulfones. Regiospecific syntheses of γ-oxygenated cyclohexenyl sulfones.

S.W Lee, P.L Fuchs

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 215 KB

english, 1991

7

A facile method for the preparation of functionalized 2,3-disubstituted-1,3-butadienes

Lishan Zhu, Reuben D. Ricke

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 134 KB

english, 1991

8

The difference in strength of BF3-complexes of aromatic and aliphatic aldehydes

Benjamin W. Gung

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 286 KB

english, 1991

9

Lewis acid catalyzed rearrangement of donor-acceptor substituted vinylcyclopropanes

Daniel F. Harvey, Matthew F. Brown

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 269 KB

english, 1991

10

A convenient synthetic route to the bacteriochlorin chromophore

Paul Yon-Hin, Tilak P Wijesekera, David Dolphin

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 242 KB

english, 1991

11

Regioselective alkylation of 1-silyl-2-methylallyl carbanions

L.-H. Li, D. Wang, T.H. Chan

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 244 KB

english, 1991

12

Preparation and properties of 1-thia-6-azacyclodeca-3,8-diynes

Rolf Gleiter, Joachim Ritter, Hermann Irngartinger, Jochen Lichtenthäler

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 199 KB

english, 1991

13

Preparation and properties of 1,6-diazacyclodeca-3,8-diynes

Rolf Gleiter, Joachim Ritter, Hermann Irngartinger, Jochen Lichtenthäler

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 206 KB

english, 1991

14

Cyclization of α-hydroxy-β-diketones to furan-3(2H)-ones under mild basic conditions

Xie Shao, Christoph Tamm

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 124 KB

english, 1991

15

Preparation of functionalized polyhalogenated tetraaryl-porphyrins by selective substitution of the p-Fluorines of meso-tetra-(pentafluorophenyl)porphyrins

Pierrette Battioni, Olivier Brigaud, Hervé Desvaux, Daniel Mansuy, Ted G Traylor

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 274 KB

english, 1991

16

Extended analogues of tetrathiafulvalene (TTF): 1,2-bis, 1,4-bis and 1,2,4,5-tetrakis(1,4-dithiafulven-6-yl) benzenes; Synthesis and π-donor abilities.

Marc Salle, Ahmed Belyasmine, Alain Gorgues, Michel Jubault, Noël Soyer

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 283 KB

english, 1991

17

Inversion of the relative reactivities of mesitylene and toluene in clay-catalyzed Friedel-crafts alkylations

André Cornélis, Charles Dony, Pierre Laszlo, Kinkela M. Nsunda

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 139 KB

english, 1991

18

No contest: A co-reactant deprived of reactivity

Andre Cornélis, Charles Dony, Pierre Laszlo, Kinkela M. Nsunda

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 117 KB

english, 1991

19

Clay catalysis of the non-aqueous diels-alder reaction and the importance of humidity control

Christine Collet, Pierre Laszlo

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 216 KB

english, 1991

20

A synthesis of C1–C22 fragment of the immunosuppressant FK 506. Stereoselective construction of (E)-trisubstituted double bond (C19–C20) via ester-enolate claisen rearrangement

Yoshiki Morimoto, Atsushi Mikami, Shin-itsu Kuwabe, Haruhisa Shirahama

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 315 KB

english, 1991

21

Arsoniosilylation of α,β-unsaturated carbonyl compounds. Direct synthesis of furans from α,β-enals

Sunggak Kim, Yong Gil Kim

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 290 KB

english, 1991

22

Isolation of a monomeric counterpart of the marine biscembranoids, a biogenetic diels-alder precursor

Midori O. Ishitsuka, Takenori Kusumi, Hiroshi Kakisawa

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 135 KB

english, 1991

23

Stereodivergent synthesis of optically active tertiary alcohols via addition reaction of chiral 2-acyl oxazolidine with organometallics

Yutaka Ukaji, Kouji Yamamoto, Masashi Fukui, Tamotsu Fujisawa

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 276 KB

english, 1991

24

Anomaly in the modified Mosher's method: Absolute configurations of some marine cembranolides

Takenori Kusumi, Yoshiharu Fujita, Ikuko Ohtani, Hiroshi Kakisawa

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 237 KB

english, 1991

25

Stereochemical control in microbial reduction. 19. Effect of heat-treatment on the diastereoselectivity in the reduction with baker's yeast

Kaoru Nakamura, Yasushi Kawai, Atsuyoshi Ohno

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 139 KB

english, 1991

26

Resonance effect in the solvolysis of α-α-di-t-butylbenzyl p-nitrobenzoates

Mizue Fujio, Toshiaki Miyamoto, Yutaka Tsuji, Yuho Tsuno

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 262 KB

english, 1991

27

Reaction of isopropylidene 5-tosyloxymalonate with alkyl, halides-a new sulfur-oxygen scission of tosylate

Cui-Lian Xu, Zhen-Chu Chen

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 124 KB

english, 1991

28

1,2,4 Benzothiadiazine 1,1-dioxide. V: 1 synthesis of built-in hydroxuguanidine tricycles as potential anticancer agents

Ji-Wang Chern, Jiann-Gwo Rong

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 237 KB

english, 1991

29

Elucidation of the absolute configurations of amino acids and amines by the modified mosher's method

Takenori Kusumi, Toshiro Fukushima, Ikuko Ohtani, Hiroshi Kakisawa

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 226 KB

english, 1991

30

A new approach for preparation of atropisomers of arylpyridyls via cross-coupling reactions of aryl 2-(3-substituted)pyridyl sulfoxides with grignard and organolithium reagents

Tadao Shibutani, Hisashi Fujihara, Naomichi Furukawa

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 273 KB

english, 1991

31

A new and convenient process for preparation of optically pure arly 2-pyridyl sulfoxides

Tadao Shibutani, Hisashi Fujihara, Naomichi Furukawa

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 147 KB

english, 1991

32

Photochemical cleavage of N-(hydroperoxyalky)phthalimides by intramolecular energy transfer

Seiichi Matsugo, Isao Saito

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 148 KB

english, 1991

33

Preparation and some properties of 7,7-dilithionorbornane

Cornelis P. Vlaar, Gerhard W. Klumpp

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 153 KB

english, 1991

34

Thermal electrorocyclic ring-opening of cyclobutenes: substituents with complementary conrotatory preferences induce high stereoselectivity

Roy Hayes, Stephen Ingham, Suthiweth T. Saengchantara, Timothy W. Wallace

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 163 KB

english, 1991

35

2α and 3β Steroid thioIs from reductive cleavage of macromolecular petroleum fraction

Pierre Adam, Jean-Claude Schmid, Pierre Albercht, Jacques Connan

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 279 KB

english, 1991

36

24,28-dinor-18α-oleanane, a novel demethylated higher plant derived triterpene hydrocarbon in petroleum

Jean M. Trendel, Roland Graff, Pierre Albrecht, Angelo Riva

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 269 KB

english, 1991

37

Absolute configurations of the arene oxide, trans-dihydrodiol and cis-dihydeodiol products resulting from metabolism of quinoline at the 5,6-bond

Derek R. Boyd, Daniel R. Bushman, R.Jeremy H. Davies, Michael R.J. Dorriy, Lynne Hamilton, Donald M. Jerina, Wayne Levin, John J. McCullough, R.Austin S. McMordie, John F. Malone, H.Patricia Porter

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 266 KB

english, 1991

38

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

Gianfranco Cainelli, Daria Giacomini, Elisabetta Mezzina, Mauro Panunzio, Paola Zarantonello

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 287 KB

english, 1991

39

[4+2]-Cycloadditions of silylated and non silylated thiones with vinyl trimethylsilyl ketone: Novel synthesis of 4H-1,3-Oxathiins.

Bianca F. Bonini, Stefano Masiero, Germana Mazzanti, Paolo Zani

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 215 KB

english, 1991

40

Effect of cyclodextrin encapsulation on photo-fries rearrangement of benzensulphonanilide

K. Pitchumani, M.C. Durai Manickam, C. Srinivasan

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 191 KB

english, 1991

41

Preparation of fused [1,3,5] benzotriazepines by a tandem aza wittig/carbodiimide-mediated annelation reaction.

Pedro Molina, Antonio Arques, Asunción Alías

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 321 KB

english, 1991

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