Volume 28; Issue 32

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Tetrahedron Letters
Volume 28; Issue 32

Tetrahedron Letters

Volume 28; Issue 32

1

Studies directed toward the total synthesis of the milbemycins: Synthesis of the C11 to C31 fragment of milbemycin D

Michael T. Crimmins, W.Gary Hollis Jr., Danute M. Bankaitis-Davis

Journal:

Tetrahedron Letters

Year:

1987

Language:

english

File:

PDF, 287 KB

english, 1987

2

Use of the selective inept NMR technique in the structure elucidation of (+)-afzelechin-7-O-β-D-apioside, a bitter principle of polypodium glycyrrhiza

Jinwoong Kim, A.Douglas Kinghorn

Journal:

Tetrahedron Letters

Year:

1987

Language:

english

File:

PDF, 258 KB

english, 1987

3

Physarochrome A, a plasmodial pigment from the slime mould physarum polycephalum (myxomycetes)

Bert Steffan, Monika Praemassing, Wolfgang Steglich

Journal:

Tetrahedron Letters

Year:

1987

Language:

english

File:

PDF, 240 KB

english, 1987

4

Total syntheses of (±)-teleocidin B-3 and B-4

Shin-ichi Nakatsuka, Toshiya Masuda, Toshio Goto

Journal:

Tetrahedron Letters

Year:

1987

Language:

english

File:

PDF, 268 KB

english, 1987

5

Synthesis and application of a novel bisphosphine ligand, (−)-DIOCP, as an unsymmetrized diop to prove the general utility of new designing concept.

Mitsuo Chiba, Hitoe Takahashi, Hisashi Takahashi, Toshiaki Morimoto, Kazuo Achiwa

Journal:

Tetrahedron Letters

Year:

1987

Language:

english

File:

PDF, 201 KB

english, 1987

6

Alkaloids of kopsia jasminiflora from Thailand

Nijsiri Ruangrungsi, Kittisak Likhitwitayawuid, Vichien Jongbunprasert, Dhavadee Ponglux, Norio Aimi, Koreharu Ogata, Megumi Yasuoka, Joju Haginiwa, Shin-ichiro Sakai

Journal:

Tetrahedron Letters

Year:

1987

Language:

english

File:

PDF, 259 KB

english, 1987

7

Oxidation of olefins to ketones in combination with electrooxidation

Jiro Tsuji, Makoto Minato

Journal:

Tetrahedron Letters

Year:

1987

Language:

english

File:

PDF, 201 KB

english, 1987

8

3H-indoles and acetylenecarboxylic esters

Roy M. Letcher, Della W.M. Sin

Journal:

Tetrahedron Letters

Year:

1987

Language:

english

File:

PDF, 124 KB

english, 1987

9

A disproof of Kahn-Hehre's proposal on the ground state conformations and the steric course of the diels-alder reaction of vinyl sulfoxides

Toru Koizumi, Yoshitsugu Arai, Hiromitsu Takayama, Kaoru Kuriyama, Motoo Shiro

Journal:

Tetrahedron Letters

Year:

1987

Language:

english

File:

PDF, 264 KB

english, 1987

10

Scopadulcic acid-A and -B, new diterpenoids with a novel skeleton, from a Paraguayan crude drug “typychá kuratũ” (scoparia dulcis L.)

Toshimitsu Hayashi, Mieko Kishi, Masaru Kawasaki, Munehisa Arisawa, Mineo Shimizu, Shoichi Suzuki, Masao Yoshizaki, Naokata Morita, Yasuhiro Tezuka, Tohru Kikuchi, Luis H. Berganza, Esteban Ferro, Isa

Journal:

Tetrahedron Letters

Year:

1987

Language:

english

File:

PDF, 274 KB

english, 1987

11

N-Perhalofluoroalkylation of secondary amines by the reactions of the amines and amides with perhalofluoroalkanes. Halophilic attack on nitrogen nucleophile on CBr bond.

Xing-ya Li, He-qi Pan, Xi-kui Jiang

Journal:

Tetrahedron Letters

Year:

1987

Language:

english

File:

PDF, 231 KB

english, 1987

12

Dictymal, a new Seco-fusicoccin type diterpene from the brown alga dictyota dichotoma

Makoto Segawa, Nobuyasu Enoki, Mitsuhiko Ikura, Kunio Hikichi, Ryoichi Ishida, Haruhisa Shirahama, Takeshi Matsumoto

Journal:

Tetrahedron Letters

Year:

1987

Language:

english

File:

PDF, 115 KB

english, 1987

13

Barbier-Grignard-type allylation of aldehydes with metallic antimony

Yasuo Butsugan, Hirokazu Ito, Shuki Araki

Journal:

Tetrahedron Letters

Year:

1987

Language:

english

File:

PDF, 117 KB

english, 1987

14

Et3B induced stereoselective radical addition of Ph3GeH to acetylenes and its application to isomerization of olefins

Yoshifumi Ichinose, Kyoko Nozaki, Kuni Wakamatsu, Koichiro Oshima, Kiitiro Utimoto

Journal:

Tetrahedron Letters

Year:

1987

Language:

english

File:

PDF, 257 KB

english, 1987

15

A new synthesis of 2-substituted benzofurans and benzothiophens: Novel fragmentation reactions of simple alkyl groups

R.Alan Aitken, Graham Burns

Journal:

Tetrahedron Letters

Year:

1987

Language:

english

File:

PDF, 134 KB

english, 1987

16

Catalyzed hydrosilylation of 2-methyl-1-buten-3-yne with methyldichlorosilane; Promotional effect imparted by the presence of a different chlorosilane

Maurizio Licchelli, Alberto Greco

Journal:

Tetrahedron Letters

Year:

1987

Language:

english

File:

PDF, 192 KB

english, 1987

17

Deviations from the generality of the ‘mass spectrometric method’ for determining the mode of ester attachment in pyrrolizidine Alkaloids

Martin W. Bredenkamp, Adriaan Wiechers

Journal:

Tetrahedron Letters

Year:

1987

Language:

english

File:

PDF, 211 KB

english, 1987

18

A synthesis of pseudo-gloeosporone

Michael Mortimore, G.Stuart Cockerill, Philip Kocieński, Richard Treadgold

Journal:

Tetrahedron Letters

Year:

1987

Language:

english

File:

PDF, 217 KB

english, 1987

19

Preparative optical resolution of chlormezanone on microcrystalline triacetylcellulose

Stig Allenmark, Richard A. Thompson

Journal:

Tetrahedron Letters

Year:

1987

Language:

english

File:

PDF, 120 KB

english, 1987

20

Graphical abstracts

Journal:

Tetrahedron Letters

Year:

1987

Language:

english

File:

PDF, 476 KB

english, 1987

21

Enhanced coupling efficiency using 4-dimethylaminopyridine (DMAP) and either tetrazole, 5-(o-nitrophenyl) tetrazole, or 5-(p-nitrophenyl) tetrazole in the solid phase synthesis of oligoribonucleotides by the phosphoramidite procedure.

Journal:

Tetrahedron Letters

Year:

1987

Language:

english

File:

PDF, 234 KB

english, 1987

22

Selenium initiated cyclization-2,3 sigmatropic rearrangement: Synthesis of the C1 to C10 fragment of the milbemycins and the avermectins

Michael T. Crimmins, W.Gary Hollis Jr., John G. Lever

Journal:

Tetrahedron Letters

Year:

1987

Language:

english

File:

PDF, 281 KB

english, 1987

23

Total synthesis of (+)-mikrolin

Amos B. Smith III, Yasushi Yokoyama, Donna M. Huryn, Norma K. Dunlap

Journal:

Tetrahedron Letters

Year:

1987

Language:

english

File:

PDF, 249 KB

english, 1987

24

Total synthesis of dechloromikrolin: A structural reassignment with biosynthetic implications

Amos B. Smith III, Yasushi Yokoyama, Norma K. Dunlap, Alfons Hadener, Christoph Tamm

Journal:

Tetrahedron Letters

Year:

1987

Language:

english

File:

PDF, 251 KB

english, 1987

25

Structures of phytotoxins, AV-toxins C, D and E, produced by zonate leaf spot fungus of mulberry

Jun-ei Kinjo, Kazumi Yokomizo, Yuriko Awata, Motoo Shibata, Toshihiro Nohara, Tsutomu Teramine, Kokichi Takahashi

Journal:

Tetrahedron Letters

Year:

1987

Language:

english

File:

PDF, 132 KB

english, 1987

26

Stereochemistry in alkylations of dianions of β-hydroxysulfoxides and β-hydroxysulfones

Rikuhei Tanikaga, Ken Hosoya, Kazumasa Hamamura, Aritsune Kaji

Journal:

Tetrahedron Letters

Year:

1987

Language:

english

File:

PDF, 159 KB

english, 1987

27

Catalytic role of diorganotin dichloride in esterification of carboxylic acids

Amal K. Kumar, Tapas K. Chattopadhyay

Journal:

Tetrahedron Letters

Year:

1987

Language:

english

File:

PDF, 135 KB

english, 1987

28

Concise asymmetric synthesis of (5S, 6S)- aeginetolide and (5S)- dihydroactinidiolide

C.M. Cain, N.S. Simpkins

Journal:

Tetrahedron Letters

Year:

1987

Language:

english

File:

PDF, 106 KB

english, 1987

29

NMR-SPI: A reliable method for determining the mode of ester attachment in pyrrolizidine alkaloids

Martin W. Bredenkamp, Adriaan Wiechers

Journal:

Tetrahedron Letters

Year:

1987

Language:

english

File:

PDF, 225 KB

english, 1987

30

Synthesis of sterically hindered 4-dialkylamino pyridines

Karen A. Joiner, Frank D. King

Journal:

Tetrahedron Letters

Year:

1987

Language:

english

File:

PDF, 181 KB

english, 1987

31

Thioketones as spin traps for group VI radicals

Angelo Alberti, Bianca Flavia Bonini, Gian Franco Pedulli

Journal:

Tetrahedron Letters

Year:

1987

Language:

english

File:

PDF, 276 KB

english, 1987

32

Intramolecular, ring closure of α,β-unsaturated 3-acylindoles

Jan Bergman, Lennart Venemalm

Journal:

Tetrahedron Letters

Year:

1987

Language:

english

File:

PDF, 240 KB

english, 1987

33

Application of E. Coli aspartate transaminase to amino acid synthesis

Jack E. Baldwin, Robert L. Dyer, Si C. Ng, Andrew J. Pratt, Mark A. Russell

Journal:

Tetrahedron Letters

Year:

1987

Language:

english

File:

PDF, 145 KB

english, 1987

34

Copper complex protection in the regioselective alkylation of methyl 3,5-dioxohexanoate. Preparation of 3-alkyl derivatives of 4-hydroxy-6-methyl-2-pyrone

Jordi Cervello, Jorge Marquet, Marcial Moreno-Mañas

Journal:

Tetrahedron Letters

Year:

1987

Language:

english

File:

PDF, 120 KB

english, 1987

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