Volume 34; Issue 5

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Tetrahedron Letters
Volume 34; Issue 5

Tetrahedron Letters

Volume 34; Issue 5

1

Graphical Abstracts

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 570 KB

english, 1993

2

Diastereoselective [2,3] Wittig rearrangement of carbohydrate-derived tertiary allylic ethers. 1. Synthesis of the C11-C18 subunit of herbimycin a from D-glucose.

Jill E. Eshelman, Janet L. Epps, James Kallmerten

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 289 KB

english, 1993

3

Diastereoselective [2,3] Wittig rearrangement of carbohydrate-derived tertiary allylic ethers. 2. Synthesis of an advanced rapamycin intermediate from D-glucose.

Ny Sin, James Kallmerten

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 276 KB

english, 1993

4

Directable regiochemistry in naphthazarins via the use of masked derivatives

J.L. Bloomer, K.W. Stagliano

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 284 KB

english, 1993

5

Nostoclide I and II, extracellular metabolites from a symbiotic cyanobacterium, Nostoc sp., from the lichen Peltigera canina.

Xuemin Yang, Yuzuru Shimizu, Jorge Rios Steiner, Jon Clardy

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 249 KB

english, 1993

6

Regioselectivity in gas-phase elimination reactions: 1,2 vs 1,4 and allenic ion vs dienide formation

John J. Rabasco, Steven R. Kass

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 265 KB

english, 1993

7

Synthesis of short chain phosphatidylinositols

Venkata R. Garigapati, Mary F. Roberts

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 272 KB

english, 1993

8

Regioselective nucleophilic ring opening of oxabicyclic compounds

Mark Lautens, Pauline Chiu

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 243 KB

english, 1993

9

The most convenient method for the preparation of aliphatic cryptands

Krzysztof E. Krakowiak, Patrycja A. Krakowiak, Jerald S. Bradshaw

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 140 KB

english, 1993

10

Regiospecific conversion of terminal alkynes to ketol phosphates with an iodine (III)-phosphate reagent

Gerald F. Koser, Xiao Chen, Kuanchiang Chen, Guoping Sun

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 200 KB

english, 1993

11

Allylboronic ester synthesis: A mechanistic study

George W. Kabalka, R.David Pace

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 118 KB

english, 1993

12

Enantioselective oxazaborolidine reduction of ketones containing heteroatoms

George J. Quallich, Teresa M. Woodall

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 261 KB

english, 1993

13

Intermediates in the dye-sensitized photooxygenation of nitrones and hydrazones

Ihsan Erden, Albert Griffin, James R. Keeffe, Vibeke Brinck-Kohn

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 294 KB

english, 1993

14

Free radical cyclizations leading to nitrogen heterocycles. II. 2-Phenylpyrazolidin-3-ones via tributyltin hydride reaction with alpha-bromoacylated phenylhydrazones

John L. Belletire, Chad E. Hagedorn, Douglas M. Ho, Jeanette Krause

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 258 KB

english, 1993

15

An Efficient Preparation of (+)-trans-2-(α-Cumyl)cyclohexanol ((+)-TCC): A practical alternative to (+)-8-phenylmenthol

Daniel L. Comins, James M. Salvador

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 245 KB

english, 1993

16

A new synthetic approach to enediynes related to the neocarzinostatin chromophore from α-trimethylsilyl α-allenyl carbonyl compounds

Nicos A. Poteals, Kurt A. Tees

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 293 KB

english, 1993

17

Conversion of benzal chloride to stilbene by electrogenerated cobalt(I)(salen) a doubly electrocatalytic process

Albert J. Fry, U.Nilantha Sirisoma, Agnes S. Lee

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 300 KB

english, 1993

18

Preparation of 3α- and 3β-(ω-aminoalkoxy)-7α,12α-dihydroxy-5β-cholanoic acid esters: Versatile shuttles for drug targeting

G. Wess, W. Kramer, A. Enhsen, H. Glombik, K.-H. Baringhaus, K. Bock, H. Kleine, W. Schmitt

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 135 KB

english, 1993

19

Synthesis of bile acid - drug conjugates: Potential drug - shuttles for liver specific targeting

G. Wess, W. Kramer, G. Schubert, A. Enhsen, K.-H. Baringhaus, H. Glombik, S. Müllner, K. Bock, H. Kleine, M. John, O. Neckermann, A. Hoffmann

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 260 KB

english, 1993

20

Reaction of diazomethane with clerocidin. Preparation of new clerodane diterpenoid derivatives

J.P. Jacquet, D. Bouzard, P. Remuzon

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 160 KB

english, 1993

21

Dialkylation of β and γ-diketone monoethyleneketals by 1,8-bis(trimethylsilyl)-2,6-octadiene.

Hélène Pellissier, Arlette Tubul, Maurice Santelli

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 289 KB

english, 1993

22

Synthetic studies of novel 6-aza- and 6,7-diazaazuleno[1,2-a]azulenes

Makoto Nitta, Yukio Iino, Tomoki Sugiyama, Akira Akaogi

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 295 KB

english, 1993

23

Structural and chemical properties of 6-aza- and 6,7-diazaazuleno[1,2-a]azulenes

Makoto Nitta, Yukio Iino, Tomoki Sugiyama, Azumao Toyota

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 260 KB

english, 1993

24

Preparation of linear phosphorus compound containing two hypervalent centers. Acetylene-bis[triphenyl(phenylethynyl) phosphorane]

Satoshi Ogawa, Yoko Tajiri, Naomichi Furukawa

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 160 KB

english, 1993

25

Preparation of macrodiolides via a common chiral building block. Total synthesis of (−)-pyrenophorin and (−)-pyrenophorol

Nobuo Machinaga, Chihiro Kibayashi

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 244 KB

english, 1993

26

A stereoselective route to E-3-hydroxyalkenyl phenyl sulfides

Seiichi Takano, Yoshiaki Sugihara, Kunio Ogasawara

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 127 KB

english, 1993

27

The first diazatetrathiafulvalenes

Chu Suk-Ling, Wai Kwok-Fai, Lai Ting-Fong, Michael P. Sammes

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 227 KB

english, 1993

28

Catalytic asymmetric nitroaldol reactions. A new practical method for the preparation of the optically active lanthanum complex

Hiroaki Sasai, Takeyuki Suzuki, Noriie Itoh, Masakatsu Shibasaki

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 284 KB

english, 1993

29

Catalytic asymmetric nitroaldol reaction: An efficient synthesis of (S) propranolol using the lanthanum binaphthol complex

Hiroaki Sasai, Noriie Itoh, Takeyuki Suzuki, Masakatsu Shibasaki

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 265 KB

english, 1993

30

Unexpected product from the Dakin-West reaction of N-acylprolines using trifluoroacetic anhydride: A novel access to 5-trifluoromethyloxazoles

Masami Kawase, Hiroshi Miyamae, Mariko Narita, Teruo Kurihara

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 240 KB

english, 1993

31

Aggregation behavior and reactivity of hydrophobic vitamin B12 covalently bound to lipid in aqueous media

Yukito Murakami, Yoshio Hisaeda, Akihiro Ogawa, Tetsuya Miyajima, Osamu Hayashida, Teruhisa Ohno

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 271 KB

english, 1993

32

Radical-induced cleavages in ring-fused epoxides

John A. Murphy, Christopher W. Patterson

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 163 KB

english, 1993

33

Tin(II) chloride dihydrate reduction of β,γ -unsaturated nitro-alkenes

Nalin B Das, Jadab C Sarma, Ram P Sharma, Manobjyoti Bordoloi

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 185 KB

english, 1993

34

Bis(trimethylsilyl)sulfide based thionation of carbonyl compounds: Synthesis of thioketones.

Alessandro Degl'Innocenti, Antonella Capperucci, Alessandro Mordini, Gianna Reginato, Alfredo Ricci, Francesca Cerreta

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 217 KB

english, 1993

35

A practical synthesis of substituted benzo[c]cinnoline- N,N′-dioxides and N-oxides.

Cristina Paradisi, Guadalupe González-Trueba, Gianfranco Scorrano

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 136 KB

english, 1993

36

The stereochemistry of enamide intermediates in DuPHOS-Rh(I) catalysed asymmetric hydrogenation

Susan K. Armstrong, John M. Brown, Mark J. Burk

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 270 KB

english, 1993

37

Kinetic resolution of 1-aryl- and 1-heteroaryl ethanols by oxidation with Baker's yeast

Giancarlo Fantin, Marco Fogagnolo, Alessandro Medici, Paola Pedrini, Silvia Poli, Milena Sinigaglia

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 147 KB

english, 1993

38

Copolymerisation of 5,6-dihydroxyindole and 5,6-dihydroxyindole-2-carboxylic acid in melanogenesis: Isolation of a cross-coupling product

Alessandra Napolitano, Orlando Crescenzi, Giuseppe Prota

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 250 KB

english, 1993

39

An intramolecular 4+3 cycloaddition-vinylogous grob fragmentation route to a tricyclo[6.3.0.02,4] undecene ring system

Michael Harmata, Saleh Elahmad

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 263 KB

english, 1993

40

[4+1]-anionic annulation approach to phenylsulfonyl substituted cyclopentenes

Albert Padwa, Michelle A. Filipkowski

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 232 KB

english, 1993

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