Volume 22; Issue 41

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Tetrahedron Letters
Volume 22; Issue 41

Tetrahedron Letters

Volume 22; Issue 41

1

Erratum

Journal:

Tetrahedron Letters

Year:

1981

File:

PDF, 19 KB

1981

2

Starke verdrillungen trotz schwacher sterischer hinderung

Armin Berndt, Rainer Schnaut, Wilhelm Ahrens

Journal:

Tetrahedron Letters

Year:

1981

Language:

german

File:

PDF, 123 KB

german, 1981

3

Basen-induzierte umwandlung des anellierten pyrrolo-systems in das pyridazin-system

Richard Kreher, Götz Use

Journal:

Tetrahedron Letters

Year:

1981

Language:

german

File:

PDF, 247 KB

german, 1981

4

Triplet quantum yield determination by photosensitized oxygenation in the presence of heavy atom additives: Rhodamine B in methanol

Klaus Gollnick, Theodor Franken, Mohamed F.R. Fouda

Journal:

Tetrahedron Letters

Year:

1981

Language:

english

File:

PDF, 232 KB

english, 1981

5

Triplet quantum yield determination by photosensitized oxygenation in the presence of heavy atom additives: Eosin in methanol

Klaus Gollnick, Mohamed F.R. Fouda

Journal:

Tetrahedron Letters

Year:

1981

Language:

english

File:

PDF, 256 KB

english, 1981

6

Esr-untersuchengen des L-adrenalin-semichinons

Hartmut B. Stegmann, Klaus Stoize, H.Ulrich Bergler, Klaus Scheffler

Journal:

Tetrahedron Letters

Year:

1981

Language:

german

File:

PDF, 240 KB

german, 1981

7

Structures of two rare iridoid glucosides from penstemon barbatus

Ratan K. Chaudhuri, Osama Salama, Otto Sticher

Journal:

Tetrahedron Letters

Year:

1981

Language:

english

File:

PDF, 199 KB

english, 1981

8

Low temperature reaction of aromatic hydrocarbons with ethylene and solvated electrons

William E. Russey, Matthias W. Haenel

Journal:

Tetrahedron Letters

Year:

1981

Language:

english

File:

PDF, 258 KB

english, 1981

9

Intrinsic migration aptitudes of alkyl groups in a pinacol rearrangement

Eckehardt Wistuba, Christoph Rüchardt

Journal:

Tetrahedron Letters

Year:

1981

Language:

english

File:

PDF, 201 KB

english, 1981

10

Preparation d'esters par deshydrogenation d'alcools primaires en phase liquide catalysee par l'oxyde de cuivre - observations preliminaires

Bruno Berthon, Alain Forestiere, Gérard Leleu, Bernard Sillion

Journal:

Tetrahedron Letters

Year:

1981

File:

PDF, 210 KB

1981

11

Lanthanoids in organic syntheses 7. selective reductions of carbonyl groups in aqueous ethanol solution.

A.L. Gemal, J.L. Luche

Journal:

Tetrahedron Letters

Year:

1981

Language:

english

File:

PDF, 238 KB

english, 1981

12

Laurepinnacin and isolaurepinnacin, new acetylenic cyclic ethers from the marine red alga laurencia pinnata yamada

Akio Fukuzawa, Tadashi Masamune

Journal:

Tetrahedron Letters

Year:

1981

Language:

english

File:

PDF, 249 KB

english, 1981

13

Acetylpinnasterol and pinnasterol, ecdysone-like metabolites, from the marine red alga laurencia pinnata yamada

Akio Fukuzawa, Yoshikazu Kumagai, Tadashi Masamune, Akio Furusaki, Chuji Katayama, Takeshi Matsumoto

Journal:

Tetrahedron Letters

Year:

1981

Language:

english

File:

PDF, 128 KB

english, 1981

14

Structure of spironippol, a new sesquiterpene, from the red alga laurencia nipponica yamada

Akio Fukuzawa, Chie Ming Shea, Tadashi Masamune, Akio Furusaki, Chuji Katayama, Takeshi Matsumoto

Journal:

Tetrahedron Letters

Year:

1981

Language:

english

File:

PDF, 141 KB

english, 1981

15

Lobohedleolide and (7Z)-lobohedleolide, new cembranolides from the soft coral lobophytum hedleyi whitelegge

Yasuto Uchio, Junzo Toyota, Hiroshi Nozaki, Mitsuru Nakayama, Yoshifumi Nishizono, Tsunao Hase

Journal:

Tetrahedron Letters

Year:

1981

Language:

english

File:

PDF, 265 KB

english, 1981

16

Regiospecific introduction of alkyl groups into 4-position of pyridine novel synthesis of 4-substituted pyridines

Kin-ya Akiba, Hideto Matsuoka, Makoto Wada

Journal:

Tetrahedron Letters

Year:

1981

Language:

english

File:

PDF, 245 KB

english, 1981

17

Stereocontrolled synthesis of conjugated dienamides via the ynamine-claisen rearrangement with (arylthio)ynamine

Takeshi Nakai, Hiroyuki Setoi, Yasuhide Kageyama

Journal:

Tetrahedron Letters

Year:

1981

Language:

english

File:

PDF, 244 KB

english, 1981

18

Synthesis of pyrimidinopurinophanes

Kazuo Doyama, Fumio Hama, Yoshiteru Sakata, Soichi Misumi

Journal:

Tetrahedron Letters

Year:

1981

Language:

english

File:

PDF, 236 KB

english, 1981

19

Synthesis of N-cyano monoaza crown ethers

Hirokazu Maeda, Yohji Nakatsuji, Mitsuo Okahara

Journal:

Tetrahedron Letters

Year:

1981

Language:

english

File:

PDF, 128 KB

english, 1981

20

Oxidation of alcohols by transition metal complexes part V. Selective catalytic monoalkylation of arylacetonitriles by alcohols

Ronald Grigg, Thomas R.B. Mitchell, Somyote Sutthivaiyakit, Ngampong Tongpenyai

Journal:

Tetrahedron Letters

Year:

1981

Language:

english

File:

PDF, 184 KB

english, 1981

21

Reactions of paulownin, gmelinol and gummadiol with 2,5-dichloro-5,6-dicyanobenzoquinone.

R.S. Ward, A. Pelter, I.R. Jack, P. Satyanarayana, B.V.Gopala Rao, P. Subrahmanyam

Journal:

Tetrahedron Letters

Year:

1981

Language:

english

File:

PDF, 175 KB

english, 1981

22

Studies on reductive alkylation: Synthesis of Wieland-Miescher ketone analogues bearing an oxygenated angular substituent

L.N. Mander, R.J. Hamilton

Journal:

Tetrahedron Letters

Year:

1981

Language:

english

File:

PDF, 270 KB

english, 1981

23

An analysis of the diastereomeric transition state interactions for the kinetic deprotonation of acyclic carbonyl derivatives with lithium diisopropylamide

Acharan S Narula

Journal:

Tetrahedron Letters

Year:

1981

Language:

english

File:

PDF, 282 KB

english, 1981

24

Diterpenes from the red alga Sphaerococcus coronopifolius. Structure of sphaerodiene and reassignment of structure for presphaerol.

F. Cafieri, E. Fattorusso, B. Di Blasio, C. Redone

Journal:

Tetrahedron Letters

Year:

1981

Language:

english

File:

PDF, 216 KB

english, 1981

25

Synthesis of 2- and 4-imino(1,2-a)pyridopyrimidines from allenic nitriles and 2-aminopyridines

Z.Tanee Fomum, J.Tanyi Mbafor, Phyllis D. Landor, Stephen R. Landor

Journal:

Tetrahedron Letters

Year:

1981

Language:

english

File:

PDF, 116 KB

english, 1981

26

New poly(ethylene glycol) supports for the liquid-phase synthesis of protected peptide hydrazides

Roberto Colombo

Journal:

Tetrahedron Letters

Year:

1981

Language:

english

File:

PDF, 261 KB

english, 1981

27

Stereochemistry and mechanism of aikali metal reductions of cycloalkanones

Suresh K. Pradhan, Suhas V. Sohani

Journal:

Tetrahedron Letters

Year:

1981

Language:

english

File:

PDF, 313 KB

english, 1981

28

Functionalized dienes via thermolysis of allylic sulfoxides

Ae. de Groot, B.J.M. Jansen, J.T.A. Reuvers, E.M. Tedjo

Journal:

Tetrahedron Letters

Year:

1981

Language:

english

File:

PDF, 113 KB

english, 1981

29

The bromination of triethylamine

Neil S. Isaacs, Mark Hodgson, Seddeg O. Tumi

Journal:

Tetrahedron Letters

Year:

1981

Language:

english

File:

PDF, 123 KB

english, 1981

30

“4,7-lactams”, intermediates for penems synthesis. I. skeletal conversion of penicillanic acid to (+)-2,2,5,5-tetramethyl-9-oxo-3-oxa-6-thia-azabicyclo[5,2,01,7]nonane

Angelo Crugnola, Antonio Longo, Ferruccio Casabuona, Paolo Lombardi

Journal:

Tetrahedron Letters

Year:

1981

Language:

english

File:

PDF, 220 KB

english, 1981

31

“4,7-lactams”, intermediates for penems synthesis. II. Total synthesis of (+)-2,2-dimethyl-9-oxo-3-oxa-6-thia-1-azabicyclo [5.2.01,7]nonane

Ferruccio Casabuona, Antonio Longo, Angelo Crugnola, Paolo Lombardi

Journal:

Tetrahedron Letters

Year:

1981

Language:

english

File:

PDF, 190 KB

english, 1981

32

Chloroethoxy(trimethyl)silane: A hard-base trap which preserves tms ether groups and improves the wittig methylenation of gibberellins

Lewis N. Mander, John V. Turner

Journal:

Tetrahedron Letters

Year:

1981

Language:

english

File:

PDF, 293 KB

english, 1981