Volume 32; Issue 47

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Tetrahedron Letters
Volume 32; Issue 47

Tetrahedron Letters

Volume 32; Issue 47

1

Graphical abstracts

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 605 KB

english, 1991

2

Carbohydrate protein conjugates (CPC): the design of new materials to stabilize enzymes

Tara G. Hill, Peng Wang, Michael E. Huston, Charles A. Wartchow, Lynn M. Oehler, M.Bradley Smith, Mark D. Bednarski, Matthew R. Callstrom

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 294 KB

english, 1991

3

The catalytic formation of peptide bonds with carbohydrate protein conjugates of proteases [CPC(proteases)]

Peng Wang, Tara G. Hill, Mark D. Bednarski, Matthew R. Callstrom

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 311 KB

english, 1991

4

Bromine auxiliaries in photosyntheses of [5]helicenes

Longbin Liu, Thomas J. Katz

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 280 KB

english, 1991

5

Remarkably effective and simple syntheses of enantiomerically pure secondary carbinols from achiral ketones

E.J. Corey, Xue-Min Cheng, Karlene A. Cimprich, Sepehr Sarshar

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 279 KB

english, 1991

6

1-Mesityl-2,2,2-trifluoroethanol, an outstanding new chiral controller for catalyzed diels-alder reactions

E.J. Corey, Xue-Min Cheng, Karlene A. Cimprich

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 292 KB

english, 1991

7

Enzymatic cyclizations of 26- and 29-hydroxy-2,3-oxidosqualenes give 19- and 21-hydroxylanosterols

Xiao-yi Xiao, Glenn D. Prestwich

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 267 KB

english, 1991

8

Structures of breynins A and B, architecturally complex, hypocholesterolemic spiroketal glycosides. A revised formulation of breynin B

Amos B. Smith III, Rex T. Gallagher, Terence P. Keenan, George T. Furst, Peter G. Dormer

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 312 KB

english, 1991

9

Synthesis of cyclic valine analogs

R.W. Hungate, J.L. Chen, K.E. Starbuck

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 242 KB

english, 1991

10

An efficient cleavage of lactones with boron triiodide-N,N-diethylaniline complex

C. Narayana, N.K. Reddy, G.W. Kabalka

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 112 KB

english, 1991

11

Directed metalation and new synthetic transformations of 5-aryltetrazoles

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 252 KB

english, 1991

12

Chiral acetylenic sulfoxide in alkaloid synthesis. Total synthesis of (R)-(+)-carnegine.

Albert W. Lee, W.H. Chan, Yu-Kai Lee

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 243 KB

english, 1991

13

Synthesis of acrylic esters by lipase

Isao Ikeda, Jun Tanaka, Kimihiro Suzuki

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 128 KB

english, 1991

14

Enantiomeric bleomycin model compounds bearing long alkyl-chain

Kazuo Shinozuka, Hiromasa Morishita, Tsutomu Yamazaki, Yukio Sugiura, Hiroaki Sawai

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 289 KB

english, 1991

15

An efficient and stereocontrolled synthesis of the nephritogenoside core structure

Makoto Sasaki, Kazuo Tachibana, Hiroshi Nakanishi

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 262 KB

english, 1991

16

A novel mode of generation and stereospecific cis-[2+2]cycloaddition of an overcrowded germanethione

Norihiro Tokitoh, Tsuyoshi Matsumoto, Hikaru Ichida, Renji Okazaki

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 170 KB

english, 1991

17

Reaction of dichlorocarbene with sterically protected phosphabutatriene. Formation of a stable dimethylenephosphirane

Kozo Toyota, Hideki Yoshimura, Takahiko Uesugi, Masaaki Yoshifuji

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 264 KB

english, 1991

18

Isolation and structure of citreoindole, a new metabolite of Hybrid strain KO 0052 derived from Penicillium citreo-viride B. IFO 6200 and 4692

Kimihiro Matsunaga, Yoshikazu Shizuri, Shosuke Yamamura, Kazuaki Kawai, Hideyuki Furukawa

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 137 KB

english, 1991

19

Stereoselective synthesis of a steroidal trans-hydrindanone synthon from (R)-limonene

Deukjoon Kim, Young Kyoung Lee

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 145 KB

english, 1991

20

Highly stereoselective glycosylation by conformational assistance of glycosyl donor

Kazunobu Toshima, Yuko Nozaki, Kuniaki Tatsuta

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 292 KB

english, 1991

21

Catalytic epoxidation with molecular oxygen using nickel complex

Ryo Irie, Yoshio Ito, Tsutomu Katsuki

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 245 KB

english, 1991

22

Photochemical reaction of 2-azabicyclo[3.1.0]hex-3-ene: the formation of 1-azahexatrienes and the cyclization to 1,2-dihydropyridine

Tsutomu Kumagai, Shue Saito, Takashi Ehara

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 268 KB

english, 1991

23

Photolysis of bis(methoxyphenyl) methylphosphonates. Their emission spectra and formation of dimethoxybiphenyl and dimethoxy-9,10-dioxaanthracene.

Min Shi, Yoshiki Okamoto, Setsuo Takamuku

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 265 KB

english, 1991

24

Selective reduction with lithium bis- or tris(dialkylamino)aluminum hydrides. III. Reduction of primary carboxamides to aldehydes by lithium tris(diethylamino)aluminum hydride

Jin Soon Cha, Jae Cheol Lee, Heung Soo Lee, Sung Eun Lee, Jong Mi Kim, Oh Oun Kwon, Soo Jin Min

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 154 KB

english, 1991

25

Facile synthesis of cap portion of messenger RNA by Mn(II) ion-catalyzed pyrophosphate formation in aqueous solution

Hiroaki Sawai, Hiromichi Wakai, Masamitsu Shimazu

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 126 KB

english, 1991

26

Toddacoumalone, a novel mixed dimer of coumarin and quinolone from Toddalia asiatica (L.) Lam. (T. aculeata pers.)

Hisashi Ishii, Jun-Ichi Kobayashi, Tsutomu Ishikawa

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 262 KB

english, 1991

27

Reactions of 5-alkoxyoxazoles with aldehydes in the presence of Lewis acid: regio- and stereoselective formation of 4-alkoxycarbonyl-2-oxazolines

Hiroyuki Suga, Xiaolan Shi, Hiroki Fujieda, Toshikazu Ibata

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 237 KB

english, 1991

28

Synthesis of 1H-imidazo[4,5-c]quinolin-4(5H)-one via palladium-catalyzed cyclization of N-(2-bromophenyl)-1H-imidazole-4-carboxamide

Takeshi Kuroda, Fumio Suzuki

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 216 KB

english, 1991

29

A new synthesis of unsymmetrical diphenic acid derivatives: template-directed intramolecular Ullmann coupling reaction

Masami Takahashi, Tooru Kuroda, Tsuyosi Ogiku, Hiroshi Ohmizu, Kazuhiko Kondo, Tameo Iwasaki

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 249 KB

english, 1991

30

Palladium-catalyzed carbonylative cross-coupling reaction of iodoalkanes with 9-alkyl-9-BBN derivatives. A direct and selective synthesis of ketones

Tatsuo Ishiyama, Norio Miyaura, Akira Suzuki*

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 236 KB

english, 1991

31

A short and simple synthesis of the thioglucose analog of the antitumor agent etoposide

Pietro Allevi, Mario Anastasia, Pierangela Ciuffreda

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 219 KB

english, 1991

32

Regioselective ring opening of chiral epoxyalcohols by primary amines

Marc Canas, Marta Poch, Xavier Verdaguer, Albert Moyano, Miquel A. Pericàs, Antoni Riera

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 296 KB

english, 1991

33

A versatile enantiospecific approach to 3-azetidinols and aziridines

Marta Poch, Xavier Verdaguer, Albert Moyano, Miquel A. Pericàs, Antoni Riera

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 227 KB

english, 1991

34

Protecting group controlled diastereoselective allylation of asymmetrized bis (hydroxymethyl)acetaldehydes (BHYMA*)

Giuseppe Guanti, Luca Banfi, Enrica Narisano

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 311 KB

english, 1991

35

Stereoselective epoxidation of asymmetrized 2-alkenyl-1,3-propanediols.

Giuseppe Guanti, Luca Banfi, Enrica Narisano, Sergio Thea

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 261 KB

english, 1991

36

Diazophosphonates in cyclic ether synthesis. Use of the intramolecular Wadsworth-Emmons reaction

Christopher J. Moody, Eric-Robert H.B. Sie, Janusz J. Kulagowski

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 132 KB

english, 1991

37

Asymmetric synthesis from α-amino acids; some reactions of (S)-pyroglutamate

King-Chung Woo, Keith Jones

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 247 KB

english, 1991

38

Mercury(II)-mediated cyclisation of hydroperoxyalkylcyclopropanes: a new route to cyclic peroxides

A.J. Bloodworth, Despoina Korkodilos

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 219 KB

english, 1991

39

2-azanorbornadiene

Michele Maggini, Maurizio Prato, Gianfranco Scorrano

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 223 KB

english, 1991

40

1,2-metallate rearrangements of α-alkoxyvinyl borates

Simon Birkinshaw, Philip Kocieński

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 225 KB

english, 1991

41

Cobalt(II) chloride catalysed conversion of allylic alcohols to rearranged allylic amides

Naresh K. Nayyar, M. Madhava Reddy, Javed Iqbal

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 206 KB

english, 1991

42

A stereoconvergent approach to dicyclopenta[a,d]cyclooctane terpenoids via a very mild cope reaction

Giancarlo Jommi, Fulvia Orsini, Marina Resmini, Massimo Sisti

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 216 KB

english, 1991

43

Additive Pummerer reactions of vinylic sulphoxides. Synthesis of 2-(phenylsulphenyl) aldehydes and primary alcohols

Donald Craig, Kevin Daniels, A.Roderick MacKenzie

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 254 KB

english, 1991

44

Enantiospecific synthesis of polyhydroxy amino acids. Synthesis of the C33C38 portion of calyculins.

Ari M.P. Koskinen, Jingshan Chen

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 217 KB

english, 1991

45

Facile synthesis of S-alkyl thiocarbamates through reaction of carbamoyl lithium with elemental sulfur

Takumi Mizuno, Ikuzo Nishiguchi, Tsuneo Okushi, Tsuneaki Hirashima

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 134 KB

english, 1991

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