Volume 22; Issue 44

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Tetrahedron Letters
Volume 22; Issue 44

Tetrahedron Letters

Volume 22; Issue 44

1

EPR evidence for a single electron transfer mechanism in reactions of aromatic ketones with lithium amides

E.C. Ashby, A.B. Goel, R.N. DePriest

Journal:

Tetrahedron Letters

Year:

1981

Language:

english

File:

PDF, 216 KB

english, 1981

2

A novel method for correlation of substituent constants in some aromatic esters using the shift reagent Eu(fod)3

K. Ranganayakulu, Ranjana Dubey, K. Rajeswari

Journal:

Tetrahedron Letters

Year:

1981

Language:

english

File:

PDF, 219 KB

english, 1981

3

Themolysis of 3,4-dialkyl-1,2-dioxetames: Effect of cyclic substituents

Alfons L. Baumstark, Catherine E. Wilson

Journal:

Tetrahedron Letters

Year:

1981

Language:

english

File:

PDF, 150 KB

english, 1981

4

Tricyclic orthoacetamides and orthopropionamides: Conformational analysis and stereochemical effects upon 13C NMR spectra

Gary R. Weisman, Van B. Johnson, Michael B. Coolidge

Journal:

Tetrahedron Letters

Year:

1981

Language:

english

File:

PDF, 216 KB

english, 1981

5

A rapid non-acidolytic method for deprotection and removal of peptides from solid phase resins - applications of ammonium formate catalytic transfer hydrogenation

Mohmed K. Anwer, Arno F. Spatola

Journal:

Tetrahedron Letters

Year:

1981

Language:

english

File:

PDF, 227 KB

english, 1981

6

Structure and synthesis of gastrolactone

Tappey H. Jones, Murray S. Blum

Journal:

Tetrahedron Letters

Year:

1981

Language:

english

File:

PDF, 243 KB

english, 1981

7

The effect of polymer swelling on alkylation of phehylacetonitrile by polymer-supported phase transfer catalysis

Thayikkannu Balakrishnan, Warren T. Ford

Journal:

Tetrahedron Letters

Year:

1981

Language:

english

File:

PDF, 211 KB

english, 1981

8

Synthesis of 2,3-dihydrobenzofuran-3-spiro-4′-dihydropyridines

Dwight D. Weller, Glenn R. Luellen

Journal:

Tetrahedron Letters

Year:

1981

Language:

english

File:

PDF, 248 KB

english, 1981

9

An asymmetric synthesis of (+)-kjellmanianone

Diane Boschelli, Amos B. Smith III, Orum D. Stringer, Robert H. Jenkins Jr., Franklin A. Davis

Journal:

Tetrahedron Letters

Year:

1981

Language:

english

File:

PDF, 265 KB

english, 1981

10

Intramolecular 1,3-diyl trapping reactions: Total synthesis of the marine natural product (d, 1)Δ9(12)-capnellene

R.Daniel Little, Gary L. Carroll

Journal:

Tetrahedron Letters

Year:

1981

Language:

english

File:

PDF, 251 KB

english, 1981

11

Stereocontrolled total synthesis of (±)-Δ9(12)-capnellene

Kenneth E. Stevens, Leo A. Paquette

Journal:

Tetrahedron Letters

Year:

1981

Language:

english

File:

PDF, 255 KB

english, 1981

12

Benzo-separated pyrazolopyrimidines: Expeditious syntheses of [3,4-g]-and [3,4-h]-linked pyrazoloquinazolinones

Frieder W. Lichtenthaler, Alfred Moser

Journal:

Tetrahedron Letters

Year:

1981

Language:

english

File:

PDF, 254 KB

english, 1981

13

Nucleosides, 45.-Assignment of glycosylation sites in o-hexopyranosyl-ribonucleosides by 13C-NMR

Frieder W. Lichtenthal, Wolfram Eberhard, Siegmar Braun

Journal:

Tetrahedron Letters

Year:

1981

Language:

english

File:

PDF, 264 KB

english, 1981

14

Unusual fragmentations under polonovski reaction conditions

J. M'Pati, P. Mangeney, Y. Langlois

Journal:

Tetrahedron Letters

Year:

1981

Language:

english

File:

PDF, 113 KB

english, 1981

15

Synthetic macrocyclic ligands. IV. Lithium ion-characteristic coloration of a “crowned” dinitrophenylazophenol

Takahiro Kaneda, Kouichi Sugihara, Hiroshi Kamiya, Soichi Misumi

Journal:

Tetrahedron Letters

Year:

1981

Language:

english

File:

PDF, 101 KB

english, 1981

16

Organic sulfur compounds containing heterocycles. II: Methyl 2-pyridyl sulfoxide as phase transfer catalyst.

Naomichi Furukawa, Keiko Kishimoto, Satoshi Ogawa, Tsutomu Kawai, Hisashi Fujihara, Shigeru Oae

Journal:

Tetrahedron Letters

Year:

1981

Language:

english

File:

PDF, 234 KB

english, 1981

17

Palladium(0) catalyzed reaction of 1,3-diene 1,4-epiperoxides

M. Suzuki, Y. Oda, R. Noyori

Journal:

Tetrahedron Letters

Year:

1981

Language:

english

File:

PDF, 246 KB

english, 1981

18

Asymmetric hydrogenation of enol phosphinates catalyzed by a chiral ferrocenylphosphine-rhodium complex. Asymmetric synthesis of optically active secondary alkyl alcohols

Tarnio Hayashi, Koichi Kanehira, Makoto Kumada

Journal:

Tetrahedron Letters

Year:

1981

Language:

english

File:

PDF, 273 KB

english, 1981

19

Photochemistry of bicyclic δ-thia-α,β-unsaturated ketones a vinylketene mechanism

Tsutomu Miyashi, Nobukazu Suto, Takayuki Yamaki, Toshio Mukai

Journal:

Tetrahedron Letters

Year:

1981

Language:

english

File:

PDF, 248 KB

english, 1981

20

A new stereoselective synthetic route to perhydrohistrionicotoxin

Toshiro Ibuka, Yoshinori Mitsui, Kenji Hayashi, Hiroyuki Minakata, Yasuo Inubushi

Journal:

Tetrahedron Letters

Year:

1981

Language:

english

File:

PDF, 240 KB

english, 1981

21

Synthesis of both 2,3-erythro- and 2,3-threo- isomers of aplidiasphingosine, a bioactive marine terpenoid

Kenji Mori, Takeaki Umemura

Journal:

Tetrahedron Letters

Year:

1981

Language:

english

File:

PDF, 228 KB

english, 1981

22

Stereochemistry of aplidiasphingosine as proposed by the asymmetric synthesis and 13c-nmr study of sphingosine relatives

Kenji Mori, Takeaki Urnemura

Journal:

Tetrahedron Letters

Year:

1981

Language:

english

File:

PDF, 235 KB

english, 1981

23

Transition metal(ii) schiff's base complexes catalyzed oxidation of trans-2-(1-propenyl)-4,5-methylenedioxyphenol to carpanone by molecular oxygen

Masakatsu Matsumoto, Keiko Kuroda

Journal:

Tetrahedron Letters

Year:

1981

Language:

english

File:

PDF, 187 KB

english, 1981

24

Syntheses of an isoannelated annulene, a bisdehydro[14]annuleno[c]furan and bisdehydro[14]annulene derivatives

Hajime Ebe, Tsutomu Nakagawa, Masahiko Iyoda, Masazumi Nakagawa

Journal:

Tetrahedron Letters

Year:

1981

Language:

english

File:

PDF, 257 KB

english, 1981

25

Alcyonolide, a novel diterpenoid from a soft coral

Motomasa Kobayashi, Tohru Yasuzawa, Yuji Kobayashi, Yoshimasa Kyogoku, Isao Kitagawa

Journal:

Tetrahedron Letters

Year:

1981

Language:

english

File:

PDF, 207 KB

english, 1981

26

Nickel-catalyzed cross-coupling of aryl phosphates with grignard and organoaluminium reagents. Synthesis of alkyl-, alkenyl-, and arylbenzenes from phenols

Tarnio Hayashi, Yoshio Katsuro, Yasuo Okamoto, Makoto Kumada

Journal:

Tetrahedron Letters

Year:

1981

Language:

english

File:

PDF, 210 KB

english, 1981

27

Synthesis of 2,2-dimethyl-1-carbapenam derivatives via an intramolecular michael-type reaction

Masayuki Shibuya, Masahiko Kuretani, Seiju Kubota

Journal:

Tetrahedron Letters

Year:

1981

Language:

english

File:

PDF, 252 KB

english, 1981