Volume 22; Issue 27

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Tetrahedron Letters
Volume 22; Issue 27

Tetrahedron Letters

Volume 22; Issue 27

1

Steric impedence in the 1,3-photocycloaddition reaction between cyclopentene and anisole derivatives

Journal:

Tetrahedron Letters

Year:

1981

Language:

english

File:

PDF, 508 KB

english, 1981

2

Microbially mediated enantioselective hydrolysis of racemic acetates

Ken-ichi Kawai, Mitsuru Imuta, Herman Ziffer

Journal:

Tetrahedron Letters

Year:

1981

Language:

english

File:

PDF, 223 KB

english, 1981

3

Nonaqueous oxidation of phosphites to phosphates in nucleotide synthesis

Kelvin K. Ogilvie, Mona J. Nemer

Journal:

Tetrahedron Letters

Year:

1981

Language:

english

File:

PDF, 263 KB

english, 1981

4

A route to Prelog-Djerassi lactone from methyl α,D-glucopyranoside

Slawomir Jarosz, Bert Fraser-Reid

Journal:

Tetrahedron Letters

Year:

1981

Language:

english

File:

PDF, 325 KB

english, 1981

5

Über die reaktivität von 4-phenyl-1,2,4-triazolin-3,5-dion mit diazoverbindungen

Willi Bethäuser, Manfred Regitz, Wolfgang Theis

Journal:

Tetrahedron Letters

Year:

1981

Language:

german

File:

PDF, 409 KB

german, 1981

6

Ein neues antifungisches β-lactam-antibioticum der clavam-reihe

Martin Wanning, Hans Zähner, Bernd Krone, Axel Zeeck

Journal:

Tetrahedron Letters

Year:

1981

File:

PDF, 327 KB

1981

7

Intercyclic [π 2+σ2+σ2]-and π2+ π2]-cycloaddition reactions in sterically fixed norbornadiene-/quadricyclane-systems

Horst Prinzbach, Klaus Weidmann, Stephan Trah, Lothar Knothe

Journal:

Tetrahedron Letters

Year:

1981

Language:

english

File:

PDF, 218 KB

english, 1981

8

A reinvestigation of asymmetric induction in diels-alder reactions to chiral acrylates.

Wolfgang Oppolzer, Mark Kurth, Daniel Reichlin, Frank Moffatt

Journal:

Tetrahedron Letters

Year:

1981

Language:

english

File:

PDF, 214 KB

english, 1981

9

Dioxa-1,3-diphospha-2,6-cyclooctane, cycle a huit chainons a deux atomes de phosphore differents; dimeres cycliques a seize chainons

J.P. Dutasta, K. Jurkschat, J.B. Robert

Journal:

Tetrahedron Letters

Year:

1981

File:

PDF, 410 KB

1981

10

Photolytic rearrangement of germanium azides. Evidence for transient germa-imines

Antoine Baceiredo, Guy Bertrand, Pierre Mazerolles

Journal:

Tetrahedron Letters

Year:

1981

Language:

english

File:

PDF, 176 KB

english, 1981

11

A new ring transformation: Synthesis of 5,5-dimethyl-3-oxo-1-pyrroline 1-oxides from 6,6-dimethyl-4-oxo-5,6-dihydro-1,2,4h-oxazines

Christian Deshayes, Suzanne Gelin

Journal:

Tetrahedron Letters

Year:

1981

Language:

english

File:

PDF, 358 KB

english, 1981

12

N-substituted porphyrins formation from carbene iron-porphyrin complexes: a possible pathway for cytochrome P450 heme destruction.

M. Lange, D. Mansuy

Journal:

Tetrahedron Letters

Year:

1981

Language:

english

File:

PDF, 409 KB

english, 1981

13

Cyclic tautomers of tryptamines and tryptophans. V. Formation and reactions of cyclic tautomers of cyclo-L-tryptophanyl-L-proline

Tohru Hino, Mikio Taniguchi, Ichiro Yamamoto, Keiichi Yannaguchi, Masako Nakagawa

Journal:

Tetrahedron Letters

Year:

1981

Language:

english

File:

PDF, 429 KB

english, 1981

14

Stereospecific synthesis of t,t-1,2,3-trisubstituted cyclopentanes and of angularly disubstituted t-hydrindanols

Takeshi Imagawa, Syuichi Sugita, Tetsuo Akiyama, Mituyosi Kawanisi

Journal:

Tetrahedron Letters

Year:

1981

Language:

english

File:

PDF, 607 KB

english, 1981

15

Palladium-catalyzed regioselective reactions of α-acetoxy-β,γ-unsaturated nitriles and γ-acetoxy-α,β-unsaturated ester with nucleophiles

Jiro Tsuji, Hiroaki Ueno, Yuichi Kobayashi, Hiroshi Okumoto

Journal:

Tetrahedron Letters

Year:

1981

Language:

english

File:

PDF, 120 KB

english, 1981

16

Regioselective 1,4-addition of nucleophiles to 1,3-diene monoepoxides catalyzed by palladium complex

Jiro Tsuji, Hideaki Kataoka, Yuichi Kobayashi

Journal:

Tetrahedron Letters

Year:

1981

Language:

english

File:

PDF, 220 KB

english, 1981

17

Synthesis and cycloaddition reaction of 2,3-dimethylene-7-isopropylidenebenzonorborene

Tadashi Sasaki, Takashi Manabe, Kenji Hayakawa

Journal:

Tetrahedron Letters

Year:

1981

Language:

english

File:

PDF, 221 KB

english, 1981

18

Dissolving metal reduction by crown ether —hydrogenolysis of alkyl fluorides

Tomihiko Ohsawa, Takashi Takagaki, Akihiko Haneda, Takeshi Oishi

Journal:

Tetrahedron Letters

Year:

1981

Language:

english

File:

PDF, 205 KB

english, 1981

19

Thermal rearrangements of allyl 2,2-dichlorovinyl and 1,2,2-trichlorovinyl sulfides

Enkou Nagashima, Kunio Suzuki, Minoru Sekiya

Journal:

Tetrahedron Letters

Year:

1981

Language:

english

File:

PDF, 209 KB

english, 1981

20

Stereoselective synthesis of (25S)-25-hydroxyvitamin D3 26,23-lactone

Sachiko Yamada, Keiko Nakayama, Hiroaki Takayama

Journal:

Tetrahedron Letters

Year:

1981

Language:

english

File:

PDF, 453 KB

english, 1981

21

Double bond cleavage reaction of silyl enol ethers using MoO2(acac)2-tBuOOH

Kiyotomi Kaneda, Nobuyoshi Kii, Koichiro Jitsukawa, Shiichiro Teranishi

Journal:

Tetrahedron Letters

Year:

1981

Language:

english

File:

PDF, 178 KB

english, 1981

22

Zizaane sesquiterpenes. Synthesis of the coates-sowerby tricyclic ketone

Andrew J. Barker, Gerald Pattenden

Journal:

Tetrahedron Letters

Year:

1981

Language:

english

File:

PDF, 109 KB

english, 1981

23

Cyclisation reactions of alkenyl β-ketoesters involving a novel phenylseleno group migration

William P. Jackson, Steven V. Ley, Judith A. Morton

Journal:

Tetrahedron Letters

Year:

1981

Language:

english

File:

PDF, 139 KB

english, 1981

24

Facile conversion of electron rich benzylic hydrocarbons to carbonyl compounds by peroxydisulphate and copper ions

M.Vivekananda Bhatt, P.Thirumalai Perumal

Journal:

Tetrahedron Letters

Year:

1981

Language:

english

File:

PDF, 356 KB

english, 1981