books search
books
articles search
articles
Donate
Log In
Log In
to access more features
personal recommendations
Telegram Bot
download history
send to Email or Kindle
manage booklists
save to favorites
Explore
Journals
Contribution
Donate
Litera Library
Donate paper books
Add paper books
Open LITERA Point
Volume 32; Issue 17
Main
Tetrahedron Letters
Volume 32; Issue 17
Tetrahedron Letters
Volume 32; Issue 17
1
Graphical abstracts
Journal:
Tetrahedron Letters
Year:
1991
Language:
english
File:
PDF, 161 KB
Your tags:
english, 1991
2
Acid catalyzed rearrangements of 4-methyl-4-cyanocyclohexadienone
John N. Marx
,
Joe Zuerker
,
Young-sook Paik Hahn
Journal:
Tetrahedron Letters
Year:
1991
Language:
english
File:
PDF, 148 KB
Your tags:
english, 1991
3
Push-pull carbenes: alkoxycyanocarbenes
Robert A. Moss
,
Tadeusz Zdrojewski
,
Karsten Krogh-Jespersen
,
Marek Włostowski
,
Alexander Matro
Journal:
Tetrahedron Letters
Year:
1991
Language:
english
File:
PDF, 146 KB
Your tags:
english, 1991
4
The reductive alkylation of aromatic ketones revisited. A new stereoselective route to highly functionalized 4a,8a-substituted 1,2,3,4,4a,6,8a,9,10,10a-decahydrophenanthrenes.
Alejandro J. Vila
,
Raquel M. Cravero
,
Manuel Gonzalez-Sierra
Journal:
Tetrahedron Letters
Year:
1991
Language:
english
File:
PDF, 135 KB
Your tags:
english, 1991
5
An unexpected C-19 product from reaction of retinal with MnO2. structure characterization and bacteriorhodopsin analogs.
Leticia U. Colmenares
,
Robert S.H. Liu
Journal:
Tetrahedron Letters
Year:
1991
Language:
english
File:
PDF, 145 KB
Your tags:
english, 1991
6
Stereochemistry of the reactions of some “CH3-” nucleophiles with 2-(tetrahydrofur-2′-yl)-acetaldehyde
S.W. Baldwin
,
J.M. McIver
Journal:
Tetrahedron Letters
Year:
1991
Language:
english
File:
PDF, 137 KB
Your tags:
english, 1991
7
Single electron transfer in the addition of chiral dipole-stabilized organolithiums to carbonyls. Stereochemistry of a chiral nucleophile as a mechanistic probe
Kathleen S. Rein
,
Zhi-Hong Chen
,
P.T. Perumal
,
Luis Echegoyen
,
Robert E. Gawley
Journal:
Tetrahedron Letters
Year:
1991
Language:
english
File:
PDF, 183 KB
Your tags:
english, 1991
8
Stereoselective allyl- and crotylboration of alpha-hydroxyketones via neighboring group control
Zhe Wang
,
Xian-Jun Meng
,
George W. Kabalka
Journal:
Tetrahedron Letters
Year:
1991
Language:
english
File:
PDF, 123 KB
Your tags:
english, 1991
9
Reductive desulfonylation of phenyl sulfones by samarium(II) iodide-hexamethylphosphoric triamide
H. Künzer
,
M. Stahnke
,
G. Sauer
,
R. Wiechert
Journal:
Tetrahedron Letters
Year:
1991
Language:
english
File:
PDF, 163 KB
Your tags:
english, 1991
10
Transition metal-diene complexes in organic synthesis, part 7. Regioselectivity control in iron-mediated diastereoselective spiroannelations of arylamines: Cyclization to 1-aza-versus 3-aza-spiro[5.5]undecanes
Hans-Joachim Knölker
,
Roland Boese
,
Konrad Hartmann
Journal:
Tetrahedron Letters
Year:
1991
Language:
english
File:
PDF, 172 KB
Your tags:
english, 1991
11
Photooxygenation of 2-alkenyl substituted chiral oxazolines : Stereochemical evidence favouring the cis effect in the regioselective ene reaction of singlet oxygen with α,β-unsaturated carbonyl derivatives
Waldemar Adam
,
Hans-Günter Brünker
,
Bernd Nestler
Journal:
Tetrahedron Letters
Year:
1991
Language:
english
File:
PDF, 108 KB
Your tags:
english, 1991
12
Sind pyrazolin-3,5-dione als vorstufen für carbene geeignet ?
Günther Maier
,
Marc Heider
,
Claudia Sierakowski
Journal:
Tetrahedron Letters
Year:
1991
Language:
german
File:
PDF, 73 KB
Your tags:
german, 1991
13
3-Amino-2-arylpropanoic acids by electrophilic substitution of 2-arylethylamines at the benzylic position
Gyula Simig
,
Manfred Schlosser
Journal:
Tetrahedron Letters
Year:
1991
Language:
english
File:
PDF, 81 KB
Your tags:
english, 1991
14
8-Methoxyisoquinoline derivatives through ortho-selective metalation of 2-(3-methoxyphenyl)ethylamine
Manfred Schlosser
,
Gyula Simig
Journal:
Tetrahedron Letters
Year:
1991
Language:
english
File:
PDF, 91 KB
Your tags:
english, 1991
15
Oxybenzotriazole free peptide coupling reagents for N-methylated amino acids
Jacques Coste
,
Eric Frérot
,
Patrick Jouin
,
Bertrand Castro
Journal:
Tetrahedron Letters
Year:
1991
Language:
english
File:
PDF, 154 KB
Your tags:
english, 1991
16
1,3-Asymmetric induction: Highly enantioselective synthesis of α-amino acids via 2,5-trans disubstituted imidazolidin-4-ones
Rosa Amoroso
,
Giuliana Cardillo
,
Claudia Tomasini
Journal:
Tetrahedron Letters
Year:
1991
Language:
english
File:
PDF, 148 KB
Your tags:
english, 1991
17
Site-specific generation of nonstabilized α-aminocarbanions a novel methodology toward the synthesis of 2-aminoalcohols
Tetsuto Tsunoda
,
Kenshu Fujiwara
,
Yo-ichi Yamamoto
,
Shô Itô
Journal:
Tetrahedron Letters
Year:
1991
Language:
english
File:
PDF, 136 KB
Your tags:
english, 1991
18
An efficient and concise entry to (-)-4,5-dihydroxy-d-threo-l-norvaline. Formal synthesis of clavalanine.
Jesus Ariza
,
Josep Font
,
Rosa M. Ortuño
Journal:
Tetrahedron Letters
Year:
1991
Language:
english
File:
PDF, 117 KB
Your tags:
english, 1991
19
Microbial hydroxylations of further octalin derivatives
Jamal Ouazzani
,
Arséniyadis Siméon
,
Ramon Alvarez-Manzaneda
,
Angel Rumbero
,
Guy Ourisson
Journal:
Tetrahedron Letters
Year:
1991
Language:
english
File:
PDF, 131 KB
Your tags:
english, 1991
20
Biogenetically patterned synthesis of cadambine
Richard T. Brown
,
D.Malcolm Duckworth
,
Cid A.M. Santos
Journal:
Tetrahedron Letters
Year:
1991
Language:
english
File:
PDF, 147 KB
Your tags:
english, 1991
1
Follow
this link
or find "@BotFather" bot on Telegram
2
Send /newbot command
3
Specify a name for your chatbot
4
Choose a username for the bot
5
Copy an entire last message from BotFather and paste it here
×
×