Volume 25; Issue 23

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Tetrahedron Letters
Volume 25; Issue 23

Tetrahedron Letters

Volume 25; Issue 23

1

Improved highly efficient synthesis of α,β-acetylenic ketones. Nature of the intermediate from the reaction of lithium acetylide with boron trifluoride etherate

Herbert C. Brown, Uday S. Racherla, Shankar M. Singh, Richard B. Wetherill

Journal:

Tetrahedron Letters

Year:

1984

Language:

english

File:

PDF, 249 KB

english, 1984

2

A method for the stereospecific synthesis of chiral cis-2-alkylcyclopropyllithium reagents

E.J. Corey, Thomas M. Eckrich

Journal:

Tetrahedron Letters

Year:

1984

Language:

english

File:

PDF, 193 KB

english, 1984

3

A new route to z-disubstituted olefins. A simple synthesis of polyunsaturated fatty acids by reiterative coupling

E.J. Corey, Thomas M. Eckrich

Journal:

Tetrahedron Letters

Year:

1984

Language:

english

File:

PDF, 212 KB

english, 1984

4

An unusual rearrangement during pyridine synthesis. Anomalous condensation of a β-keto enamine with a tetronic acid.

Andrew S. Kende, Joachim E. Veits, Dennis P. Lorah, Frank H. Ebetino

Journal:

Tetrahedron Letters

Year:

1984

Language:

english

File:

PDF, 233 KB

english, 1984

5

Stereochemical correlations of secoiridoid aglucones

Takafumi Ikeda, C.Richard Hutchinson, Heinrich Meier, Lutz-F. Tietze

Journal:

Tetrahedron Letters

Year:

1984

Language:

english

File:

PDF, 204 KB

english, 1984

6

Palladium(O) catalyzed coupling reactions in the synthesis of 5-arylpyrimidine nucleosides

George Chang, Mathias P. Mertes

Journal:

Tetrahedron Letters

Year:

1984

Language:

english

File:

PDF, 249 KB

english, 1984

7

A novel diastereoselective synthesis of the lactone moiety of compactin

Kapa Prasad, Oljan Repič

Journal:

Tetrahedron Letters

Year:

1984

Language:

english

File:

PDF, 186 KB

english, 1984

8

A stereocontrolled route to a synthon for the aglycone of the aureolic acids

Richard W. Franck, C.S. Subramaniam, Thomas V. John, John F. Blount

Journal:

Tetrahedron Letters

Year:

1984

Language:

english

File:

PDF, 245 KB

english, 1984

9

Enantiospecific synthesis of methyl 11,12- and 14,15-epoxyeicosatrienoate

J.R. Falck, Sukumar Manna, Jorge Capdevila

Journal:

Tetrahedron Letters

Year:

1984

Language:

english

File:

PDF, 186 KB

english, 1984

10

Stereocontrolled total synthesis of isocomene sesquiterpenes

Brindaban C. Ranu, Misha Kavka, Leslie A. Higgs, Tomas Hudlickyl

Journal:

Tetrahedron Letters

Year:

1984

Language:

english

File:

PDF, 202 KB

english, 1984

11

The application of intramolecular saturation transfer NMR spectroscopy to conformational analysis. The effect of methyl substituents on the barrier height and conformational isomer population of the tricyclo[9.3.1.03,8]pentadecane ring system.

K.J. Shea, Jeffrey W. Gilman

Journal:

Tetrahedron Letters

Year:

1984

Language:

english

File:

PDF, 237 KB

english, 1984

12

Transformation of cis-enyne-substituted oxiranes to 2-vinylfurans seven-membered cycloallenes as intermediates

Joachim Roser, Wolfgang Eberbach

Journal:

Tetrahedron Letters

Year:

1984

Language:

english

File:

PDF, 249 KB

english, 1984

13

The azoxy(azo)-chromophore as π2-component in photo [2+2] cycloaddition reactions

Gerhard Fischer, Dieter Hunkler, Horst Prinzbach, Grety Rihs, Hans Fritz

Journal:

Tetrahedron Letters

Year:

1984

Language:

english

File:

PDF, 235 KB

english, 1984

14

Enantioselective synthesis of 3-demethoxyaranciamycinone via asymmetric epoxidation

Erwin Broser, Karsten Krohn, Klaus Hintzer, Volker Schurig

Journal:

Tetrahedron Letters

Year:

1984

Language:

english

File:

PDF, 243 KB

english, 1984

15

Dimethyl germylene insertion into a strained C-Ge bond and matrix isolation of tetramethyl digermene Me2Ge=GeMe2

Paul Bleckmann, Rolf Minkwitz, Wilhelm P. Neumann, Michael Schriewer, Manfred Thibud, Bärbel Watta

Journal:

Tetrahedron Letters

Year:

1984

Language:

english

File:

PDF, 244 KB

english, 1984

16

Chemical constitution of safflor yellow B, a quinochalcone c-glycoside from the flower petals of carthamus tinctorius L.

Yoshiyuki Takahashi, Koshi Saito, Mitsutoshi Yanagiya, Mitsuhiko Ikura, Kunio Hikichi, Takeshi Matsumoto, Mizu Wada

Journal:

Tetrahedron Letters

Year:

1984

Language:

english

File:

PDF, 231 KB

english, 1984

17

Keramadine, a novel antagonist of serotonergic receptors isolated from the okinawan sea sponge Agelas sp.

Hideshi Nakamura, Yasushi Ohizumi, Jun'ichi Kobayashi, Yoshimasa Hirata

Journal:

Tetrahedron Letters

Year:

1984

Language:

english

File:

PDF, 176 KB

english, 1984

18

Enantio- and diastereomerically pure threo-homoallylic alcohols via highly stereoselective reduction of α-methyl-β,γ-unsaturated ketones

Keisuke Suzuki, Eiji Katayama, Gen-ichi Tsuchihashi

Journal:

Tetrahedron Letters

Year:

1984

Language:

english

File:

PDF, 266 KB

english, 1984

19

Intramolecular cyclization mediated by silylmetalation of acetylenes with PhMe2SiMgMe/CuI and radical nature of the reagent

Yasuhiro Okuda, Yoshitomi Morizawa, Koichiro Oshima, Hitosi Nozaki

Journal:

Tetrahedron Letters

Year:

1984

Language:

english

File:

PDF, 244 KB

english, 1984

20

Conjugate addition of lithiotrimethylsilylacetate. A simple synthesis of methyl jasmonate via vicinal double alkylation

Hisao Nishiyama, Koji Sakuta, Kenji Itoh

Journal:

Tetrahedron Letters

Year:

1984

Language:

english

File:

PDF, 143 KB

english, 1984

21

Synthesis of mono- and 1,4-dicarbonyl compounds based on the oxygenation of phosphonate carbanions. Synthesis of dihydrojasmone, allethrone and methylenomycin b

Marian Mikołajczyk, Wanda Midura, Sławomir Grzejszczak

Journal:

Tetrahedron Letters

Year:

1984

Language:

english

File:

PDF, 238 KB

english, 1984

22

A general synthesis of optically active phosphines, phosphinites and thiophosphinites from alkylthio(alkylseleno)phosphonium salts and tris(dimethylamino)phosphine as a thiophilic agent

J. Omelańczuk, M. Mikołgajczyk

Journal:

Tetrahedron Letters

Year:

1984

Language:

english

File:

PDF, 249 KB

english, 1984

23

Steric and stereoelectronic effects in the synthesis and photoisomerization of a dinitrone of 2,2,4,4-tetramethylcyclobutanedione

A.John Boyd, Derek R. Boyd, John F. Malone, Narain D. Sharma, Kapl Dev, W.Brian Jennings

Journal:

Tetrahedron Letters

Year:

1984

Language:

english

File:

PDF, 227 KB

english, 1984

24

Hydroboration or hydrogenation of alkenes with CoCl2-NaBH4

N. Satyanarayana, M. Periasamy

Journal:

Tetrahedron Letters

Year:

1984

Language:

english

File:

PDF, 204 KB

english, 1984

25

Cyclohexane analogs of poison ivy and poison oak derivatives. A totally stereoselective synthesis of trans,trans-3-alkyl-1,2-cyclohexanediols.

Jean-Pierre Lepoittevin, Claude Benezra

Journal:

Tetrahedron Letters

Year:

1984

Language:

english

File:

PDF, 110 KB

english, 1984

26

“Deuterated” Raney nickel: deuteration (reduction) of alkenes, carbonyl compounds and aromatic rings. Proton-deuterium exchange of “activated” aliphatic and aromatic ring hydrogens.

Journal:

Tetrahedron Letters

Year:

1984

Language:

english

File:

PDF, 131 KB

english, 1984

27

Vinylogous dieckmann condensation: an application of Baldwin's rules.

Montree Kodpinid, Yodhathai Thebtaranonth

Journal:

Tetrahedron Letters

Year:

1984

Language:

english

File:

PDF, 198 KB

english, 1984

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