Volume 20; Issue 46

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Tetrahedron Letters
Volume 20; Issue 46

Tetrahedron Letters

Volume 20; Issue 46

1

Lewis acid - promoted cyclopropanation of α,β-unsaturated carbonyl compounds by diazocarbonyl compounds. A facile synthesis of 1,2-disubstituted cyclopropylcarbonyl compounds of high isomeric purity

Michael P. Doyle, William E. Buhro, Joseph F. Dellaria Jr.

Journal:

Tetrahedron Letters

Year:

1979

Language:

english

File:

PDF, 293 KB

english, 1979

2

Synthetic applications of organoselenium reagents: synthesis of epi-7-hydroxymyoporone

Hans J. Reich, Paul M. Gold, Flora Chow

Journal:

Tetrahedron Letters

Year:

1979

Language:

english

File:

PDF, 135 KB

english, 1979

3

On the mechanism of the formation of benzocyclobutene by flash vacuum pyrolysis of ortho-methylbenzyl chloride

Michael J. Morello, Walter S. Trahanovsky

Journal:

Tetrahedron Letters

Year:

1979

Language:

english

File:

PDF, 146 KB

english, 1979

4

A simple route to the 8-oxabicyclo[3.2.1]octyl and 9-oxabicyclo[3.3.1]nonyl systems. Synthesis of the 8-oxa analog of cocaine.

Peter Brownbridge, Tak-Hang Chan

Journal:

Tetrahedron Letters

Year:

1979

Language:

english

File:

PDF, 357 KB

english, 1979

5

Photo-ring contraction reactions of 4-hydroxypyrylium cations

James W. Pavlik, Alfred P. Spada

Journal:

Tetrahedron Letters

Year:

1979

Language:

english

File:

PDF, 232 KB

english, 1979

6

Elaeocarpus Alkaloids. The Synthesis of dl-Elaeokanine-A and dl-Elaeokanine-C.

Joseph J. Tufariello, Sk.Asrof Ali

Journal:

Tetrahedron Letters

Year:

1979

Language:

english

File:

PDF, 199 KB

english, 1979

7

Simple prenylated hydroquinone derivatives from the marine urochordate aplidium californicum. Natural anticancer and antimutagenic agents.

Bruce M. Howard, Kathleen Clarkson, R.L. Bernstein

Journal:

Tetrahedron Letters

Year:

1979

Language:

english

File:

PDF, 229 KB

english, 1979

8

Lachnanthospirone, a dimeric 9-phenylphenalenone from the seeds of Lachnanthes tinctoria ell.

J.M. Edwards, M. Mangion, J.B. Anderson, M. Rapposch, G. Hite

Journal:

Tetrahedron Letters

Year:

1979

Language:

english

File:

PDF, 186 KB

english, 1979

9

1,3-di(methythio)-2,2,4,4-tetramethylbicyclo[1.1.0]butane

Paul G. Gassman, Michael J. Mullins

Journal:

Tetrahedron Letters

Year:

1979

Language:

english

File:

PDF, 422 KB

english, 1979

10

2,4-dichlor-2-oxo-5-methyl-1,3,2λ5-dioxaphospholen, ein cyclisches enolphosphat von milchsäurechlorid als neues phosphorylierungsreagenz

Journal:

Tetrahedron Letters

Year:

1979

File:

PDF, 123 KB

1979

11

Anodic oxidation of ring A-aromatic steroids. Cyanation of the aromatic nucleus

Kurt Ponsold, Helmut Kasch

Journal:

Tetrahedron Letters

Year:

1979

Language:

english

File:

PDF, 164 KB

english, 1979

12

Studies on alkylation of acyl anion equivalents: unsymmetrical ketone synthesis by use of diethyl 1-trimethylsilyloxy-alkylphosphonates

Mitsuo Sekine, Masashi Nakajima, Akiko Kume, Tsujiaki Hata

Journal:

Tetrahedron Letters

Year:

1979

Language:

english

File:

PDF, 256 KB

english, 1979

13

Efficient asymmetric synthesis of α-amino acids through hydrogenation of α,β-dehydroamino acid residue in cyclic dipeptides

Tatsuhiko Kanmera, Sannamu Lee, Haruhiko Aoyagi, Nobuo Izumiya

Journal:

Tetrahedron Letters

Year:

1979

Language:

english

File:

PDF, 290 KB

english, 1979

14

An effective synthesis of medium-ring ketones

Yasuo Ohtsuka, Takeshi Oishi

Journal:

Tetrahedron Letters

Year:

1979

Language:

english

File:

PDF, 276 KB

english, 1979

15

Nonclassical thieno[ 3,4-c][1,2,5]thiadiazole

M. Behforouz, R. Benrashid

Journal:

Tetrahedron Letters

Year:

1979

Language:

english

File:

PDF, 251 KB

english, 1979

16

The total synthesis of (−)-mesembranone

Heinrich F. Strauss, Adriaan Wiechers

Journal:

Tetrahedron Letters

Year:

1979

Language:

english

File:

PDF, 306 KB

english, 1979

17

Synthesis of structure analogues of thromboxane A2

M.F. Ansell, M.P.L. Caton, M.N. Palfreyman, K.A.J. Stuttle

Journal:

Tetrahedron Letters

Year:

1979

Language:

english

File:

PDF, 117 KB

english, 1979

18

Concerted and two-step conformational ring-flipping in [2.2] (3,3′,4,4′) biphenylophanes1

David N. Leach, James A. Reiss

Journal:

Tetrahedron Letters

Year:

1979

Language:

english

File:

PDF, 340 KB

english, 1979

19

Structure and synthesis of a derivative of fasciculiferin, a novel peltogynoid from Acacia fasciculifera

Fanie R. van Heerden, E.Vincent Brandt, David G. Roux

Journal:

Tetrahedron Letters

Year:

1979

Language:

english

File:

PDF, 184 KB

english, 1979

20

Erratum for Tetrahedron Letters

Journal:

Tetrahedron Letters

Year:

1979

File:

PDF, 29 KB

1979

21

Control of regioselectivity in the intramolecular cycloaddition reaction of an olefinic tosylhydrazone

Albert Padwa, Hao Ku

Journal:

Tetrahedron Letters

Year:

1979

Language:

english

File:

PDF, 195 KB

english, 1979

22

Anodic oxidation of ring A-aromatic steroids. Regioselective benzylic oxidation

Kurt Ponsold, Helmut Kasch

Journal:

Tetrahedron Letters

Year:

1979

Language:

english

File:

PDF, 137 KB

english, 1979

23

Tris(2-deoxy-2-l-ascorbyl)amine: a novel compound related to a fairly stable free radical

Tateki Hayashi, Mitsuo Namiki

Journal:

Tetrahedron Letters

Year:

1979

Language:

english

File:

PDF, 232 KB

english, 1979

24

Electrosynthesis of heteroatom bonds. 5. Direct cross-coupling of dialkylphosphites with amines by an iodonium ion-promoted electrolytic procedure

Sigure Torii, Noboru Sayo, Hideo Tanaka

Journal:

Tetrahedron Letters

Year:

1979

Language:

english

File:

PDF, 499 KB

english, 1979

25

Stereochemistry of cholesterol hydroxylation at C-22 during pregnenolone biosynthesis

Carmenza Duque, Masuo Morisaki, Nobuo Ikekawa, Mikio Shikita

Journal:

Tetrahedron Letters

Year:

1979

Language:

english

File:

PDF, 219 KB

english, 1979

26

Cycloaddition accompanied by sigmatropic shift of dithiocarboxylic esters with dimethyl acetylenedicarboxylate

V.N. Drozd, O.A. Popova

Journal:

Tetrahedron Letters

Year:

1979

Language:

english

File:

PDF, 250 KB

english, 1979

27

Aromatization of aliiphatic compounds1. o- and m-tolylacetic acids.

Leandro Baiocchi, Marilena Giannangeli

Journal:

Tetrahedron Letters

Year:

1979

Language:

english

File:

PDF, 140 KB

english, 1979

28

The occurrence of prostaglandins PGE2 and PGF2α in a plant - the red alga Gracilaria Lichenoides.

Richard P. Gregson, John F. Marwood, Ronald J. Quinn

Journal:

Tetrahedron Letters

Year:

1979

Language:

english

File:

PDF, 133 KB

english, 1979