Volume 49; Issue 12

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Tetrahedron
Volume 49; Issue 12

Tetrahedron

Volume 49; Issue 12

1

Graphical abstracts

Journal:

Year:

1993

Language:

english

File:

PDF, 399 KB

english, 1993

2

Alkylation of adenine with t-propargyl chlorides: acetylene/allene ratio and N9/N7 regioselectivity

Ramachandra V. Joshi, Jiri Zemlicka

Journal:

Year:

1993

Language:

english

File:

PDF, 580 KB

english, 1993

3

Self-association of dipyrrinones observed by 2d-noe nmr and dimerization constants calculated from 1h-nmr chemical shifts

Daniel F. Nogales, Jin-Shi Ma, David A. Lightner

Journal:

Year:

1993

Language:

english

File:

PDF, 848 KB

english, 1993

4

A comparative study of solid state and solution aldol addition reactions of the lithium enolate of methyl 3,3-dimethylbutanoate: stereochemistry and mechanistic implications

Yen Wei, R. Bakthavatchalam

Journal:

Year:

1993

Language:

english

File:

PDF, 1.55 MB

english, 1993

5

Hymenamides a and b, new proline-rich cyclic heptapeptides from the okinawan marine sponge hymeniacidon sp.

Jun'ichi Kobayashi, Masashi Tsuda, Takemichi Nakamura, Yuzuru Mikami, Hideyuki Shigemori

Journal:

Year:

1993

Language:

english

File:

PDF, 841 KB

english, 1993

6

Reactions of unstable dialkylcarbamoyl lithiums with sulfur compounds

Takumi Mizuno, Ikuzo Nishiguchi, Tsuneaki Hirashima

Journal:

Year:

1993

Language:

english

File:

PDF, 589 KB

english, 1993

7

New total synthesis of (+)-N-methylanisomycin by anodic cyclization of δ-alkenylamine

Masao Tokuda, Hirotake Fujita, Tohru Miyamoto, Hiroshi Suginome

Journal:

Year:

1993

Language:

english

File:

PDF, 1.08 MB

english, 1993

8

New amino acids from clitocybe acromelalga. Possible intermediates in the biogenesis of mushroom toxins, acromelic acids

Kimiaki Yamano, Haruhisa Shirahama

Journal:

Year:

1993

Language:

english

File:

PDF, 661 KB

english, 1993

9

Synthesis and conformational study of 1,1′-ethano-9-9′-bifluorenyl. Anti and gauche conformers of a 9,9′-bifluorenyl derivative and chair and twist conformers of a dibenzo-1,5-cyclooctadiene derivative

Yee-Hing Lai, Siok-Mun Lee, Soo-Ying Lee, Manyin Yi

Journal:

Year:

1993

Language:

english

File:

PDF, 702 KB

english, 1993

10

An efficient synthesis of tetraaryl porphyrins substituted with ester groups bearing long alkyl chains

Hermann K. Hombrecher, Stefan Ohm

Journal:

Year:

1993

Language:

english

File:

PDF, 630 KB

english, 1993

11

Synthesis of an advanced forskolin intermediate

Stefan Bick, Silke Zimmermann, Heike Meuer, William S. Sheldrick, Peter Welzel

Journal:

Year:

1993

Language:

english

File:

PDF, 860 KB

english, 1993

12

Synthèse d'α-hydroxysulfinates

Michel Mulliez, Carole Naudy

Journal:

Year:

1993

File:

PDF, 466 KB

1993

13

Une nouvelle synthèse de peroxydes d'alkyle dissymétriques à partir d alcools tertiaires

Marie-Josèphe Bourgeois, Evelyne Montaudon, Bernard Maillard

Journal:

Year:

1993

File:

PDF, 528 KB

1993

14

Synthesis of a tritiated 3-dehydroecdysteroid putative precursor of ecdysteroid biosynthesis

Frédéric Dolle, Charles Hetru, Bernard Rousseau, Frank Sobrio, Catherine Blais, René Lafont, Michel Descamp, Bang Luu

Journal:

Year:

1993

Language:

english

File:

PDF, 1.07 MB

english, 1993

15

First synthesis of two naturally occurring oxetane lactones: clementein and clementein b

Francisco A. Macías, José María G. Molinillo, Guillermo M. Massanet

Journal:

Year:

1993

Language:

english

File:

PDF, 695 KB

english, 1993

16

Acyloxy tri(isopropoxy)titanium reagents for regioselective cleavage of 2,3-epoxyalcohols. A synthesis of 2-deoxy-d-ribose.

Yuri E. Raifeld, Antonio Nikitenko, Boris M. Arshava

Journal:

Year:

1993

Language:

english

File:

PDF, 429 KB

english, 1993

17

Homogeneous Hydrogenation of Substituted (z) - ene-1,2-dicarbamates with rh(i) phosphine complexes

Janina Altman, Dov Ben-Ishai, Evelina Berkovich

Journal:

Year:

1993

Language:

english

File:

PDF, 474 KB

english, 1993

18

Reaction of dianion β-enamino ketones with electrophiles. Part 4. Synthesis of β′- and δ-hydroxy-β-enamino ketones.

Giuseppe Bartoli, Marcella Bosco, Cristina Cimarelli, Renato Dalpozzo, Gianni Palmieri

Journal:

Year:

1993

Language:

english

File:

PDF, 950 KB

english, 1993

19

Base-modified pyrimidine nucleosides. Efficient entry to 6-derivatized uridines by sn-pd transmetallation-coupling process

Giovanni Palmisano, Marco Santagostino

Journal:

Year:

1993

Language:

english

File:

PDF, 755 KB

english, 1993

20

Preparation of 1-substituted-3,4-dihydronaphthalene-2-carboxaldehyde N,N-dimethylhydrazones by palladium(0) coupling, and their electrocyclic ring closure

Thomas L. Gilchrist, Maureen A.M. Healy

Journal:

Year:

1993

Language:

english

File:

PDF, 1.22 MB

english, 1993

21

Homolytic substitution at selenium: ring closure of ω-(benzylseleno)alkyl radicals

Lynda J. Benjamin, Carl H. Schiesser, Katarina Sutej

Journal:

Year:

1993

Language:

english

File:

PDF, 758 KB

english, 1993

22

Predominant conformations of Na-boc-deformyl-Z- and Na-boc-deformyl-E-geissochizine, the latter a possible synthetic intermediate in the preparation of sarpagan and ajmalan ring systems

Reija Jokela, Minna Halonen, Lounasmaa Mauri

Journal:

Year:

1993

Language:

english

File:

PDF, 464 KB

english, 1993

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