Volume 32; Issue 21

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Tetrahedron Letters
Volume 32; Issue 21

Tetrahedron Letters

Volume 32; Issue 21

1

Graphical abstracts

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 467 KB

english, 1991

2

Intramolecular anodic olefin coupling reactions: the use of allylsilanes

Kevin D. Moeller, Christine M. Hudson

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 301 KB

english, 1991

3

Dienes, enynes and styrenes from Markovnikov vinylboranes via the Suzuki reaction

Isaac Rivera, John A. Soderquist

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 295 KB

english, 1991

4

A concise synthesis of (R)-hydroxy-E,Z-diene fatty acids: preparation of 12(R)-hete, tetranor-12(R)-hete, and 13(R)-hode

Sun Lumin, J.R. Falck, Michal L. Schwartzman

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 229 KB

english, 1991

5

Condensation of β-ketoester enamines with double michael acceptors: a doubly chemoselective bicycloannulation methodology

J.M. Lapierre, D. Gravel

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 270 KB

english, 1991

6

Synthesis of 1,2-dihydronaphthalenes and spiro[4.5]-deca-3,6,9-trien-8-ones from benzylic alcohols

Steven R. Angle, Damian O. Arnaiz

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 290 KB

english, 1991

7

Unprecedented observation of lactone hydrolysis by the AAl2 mechanism

Jeffrey A. Moore, John M. Schwab

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 267 KB

english, 1991

8

Free radical cyclizations leading to four-membered rings. I. Beta-lactam production using tributyltin hydride

Susan L. Fremont, John L. Belletire, Douglas M. Ho

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 277 KB

english, 1991

9

A new synthetic route to 1,25-dihydroxy-vitamin D3

Stephen R. Wilson, A.M. Venkatesan, C.E. Augelli-Szafran, A. Yasmin

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 230 KB

english, 1991

10

Kimbasines A and B, novel hexacyclic norsesterterpene alkaloids from the sponge Igernella notabilis

John H. Cardellina II, Robert L. Hendrickson, Andrea A. Stierle, Gary E. Martin

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 239 KB

english, 1991

11

A new preparation of lanthanide alkoxide, and some applications in catalysis.

Alain Lebrun, Jean-Louis Namy, Henri B. Kagan

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 237 KB

english, 1991

12

Electrophilic amination: first direct transfer of NHBoc with Li t-butyl-n-tosyloxycarbamate.

J.P. Genet, S. Mallart, C. Greck, E. Piveteau

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 238 KB

english, 1991

13

Synthesis of three-bridged cyclophanes via meta- and ortho-cyclophane

Yukihiro Okada, Kenji Sugiyama, Masaki Kurahayashi, Jun Nishimura

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 310 KB

english, 1991

14

Tandem conjugate addition-aldol reaction to α,β-unsaturated esters and ketones using titanium amide

Akira Hosomi, Toshiharu Yanagi, Makoto Hojo

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 266 KB

english, 1991

15

A novel substitution reaction of 4-sulfinylazetidin-2-one with silylated heteronucleophiles: an efficient synthesis of 4-heterofunction substituted 3-(1-hydroxy)ethylazetidin-2-ones

Yasuyuki Kita, Norio Shibata, Naoki Yoshida, Takashi Tohjo

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 238 KB

english, 1991

16

Reaction of vitamin A with 1,2,4-triazoline-3,5-diones

Sachiko Yamada, Kazuhiko Hamano, Masato Shimizu, Hiroshi Ichikawa

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 313 KB

english, 1991

17

Divergently stereocontrolled reaction of an allylic silane bearing an asymmetric ethereal carbon toward aldehydes

Yutaka Nishigaichi, Akio Takuwa, Akifumi Jodai

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 226 KB

english, 1991

18

A simple one-pot synthesis of hydroisobenzothiophenes via three-step sequential pericyclic reactions of xanthates

Kazunobu Harano, Kikuma Ono, Mitsuhiro Nishimoto, Masashi Eto, Takuzo Hisano

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 241 KB

english, 1991

19

Oscillariolide, a novel macrolide from a blue-green alga Oscillatoria sp.

Masahiro Murakami, Hisashi Matsuda, Kentaro Makabe, Katsumi Yamaguchi

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 258 KB

english, 1991

20

An expeditious synthesis of dolastatin 10

Kiyoshi Tomioka, Motomu Kanai, Kenji Koga

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 290 KB

english, 1991

21

Synthetic studies on oxetanocin analogs: synthesis of oxetanosyl C-nucleoside, 2-deoxy-2-hydroxymethyl-β-D-erythrooxetanosyl maleimide

Tatsuya Watanabe, Shigeru Nishiyama, Shosuke Yamamura, Kuniki Kato, Masashi Nagai, Tomohisa Takita

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 125 KB

english, 1991

22

Direct regioselective arylsulfenylation and arylselenenylation at 5-position of uracils mediated by silver reagents

Chun Ho Lee, Yong Hae Kim

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 256 KB

english, 1991

23

Activation of ketene silyl acetals by 10-methylacridinium perchlorate: a novel catalysis in mukaiyama reaction

Junzo Otera, Yoshiyuki Wakahara, Hidenobu Kamei, Tsuneo Sato, Hitosi Nozaki, Shinichi Fukuzumi

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 231 KB

english, 1991

24

Facile synthesis of (+)-brefeldin A

Junzo Nokami, Mamoru Ohkura, Yasufumi Dan-Oh, Yasuhiko Sakamoto

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 262 KB

english, 1991

25

A new aspect of the bayer-villiger oxidation of 1,3-dicarbonyl compounds

C.W. Bird, A.K. Dotse

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 127 KB

english, 1991

26

An efficient β-amino acid cyclodehydration using methanesulfonyl chloride to thienamycin intermediate 3-[1-hydroxyethyl]-4-[methoxy carbonylmethyl]-azetidin-2-one

M.F. Loewe, R.J. Cvetovich, G.G. Hazen

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 210 KB

english, 1991

27

The reaction of optically active menthyl acrylate with cyclopentadiene on γ-alumina

George Hondrogiannis, Richard M. Pagni, George W. Kabalka, Robert Kurt, Danielle Cox

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 234 KB

english, 1991

28

Structure determination of maduralide: a new 24-membered ring macrolide glycoside produced by a marine bacterium (actinomycetales)

Charles Pathirana, Dianne Tapiolas, Paul R. Jensen, Ryan Dwight, William Fenical

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 315 KB

english, 1991

29

Control of stereoselectivity in samarium metal induced cyclopropanations. Synthesis of 1,25-dihydroxycholecalciferol

M. Kabat, J. Kiegiel, N. Cohen, K. Toth, P.M. Wovkulich, M.R. Uskoković

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 208 KB

english, 1991

30

The insertion of sulfur into the non-activated CH bond a possible model for penicillin cyclase and biotin synthase

Gilbert Balavoine, Derek H.R. Barton, Aurore Gref, Isabelle Lellouche

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 244 KB

english, 1991

31

Synthese organique sous champ microondes : premier exemple d'activation specifique en phase homogene

J. Berlan, P. Giboreau, S. Lefeuvre, C. Marchand

Journal:

Tetrahedron Letters

Year:

1991

File:

PDF, 275 KB

1991