Bond fixation in annulenes. 11. Synthesis and absolute configuration of the enantiomeric 1,3-di-tert-butylcyclooctatetraenes. Quantitative kinetic assessment of the effect of nonvicinal tert-butyl groups on [8]annulene ring-inversion and bond-shifting barriers

1981 ◽  
Vol 103 (9) ◽  
pp. 2262-2269 ◽  
Author(s):  
Leo A. Paquette ◽  
Yuji Hanzawa ◽  
Kevin J. McCullough ◽  
Bruce Tagle ◽  
Wendy Swenson ◽  
...  
Keyword(s):  
Absolute Configuration ◽  
Ring Inversion ◽  
Tert Butyl ◽  
Kinetic Assessment

Medium-Sized Cyclophanes. 43.1First Evidence foranti−syn-Ring Inversion under the Nitration of 5,13-Di-tert-butyl-8,16-dimethoxy[2.2]metacyclophane

1997 ◽  
Vol 62 (22) ◽  
pp. 7560-7564 ◽  
Author(s):  
Takehiko Yamato ◽  
Hideo Kamimura ◽  
Tsuyoshi Furukawa
Keyword(s):  
Ring Inversion ◽  
Tert Butyl

Determination of the absolute configuration of monosaccharides using (+) or (−) 2-tert-butyl-2-methyl-1,3-benzodioxole-4-carboxylic acid and high-resolution 1H-n.m.r. spectroscopy

1991 ◽  
Vol 218 ◽  
pp. 63-73 ◽  
Author(s):  
Yoshihiro Nishida ◽  
Mariko Kumagai ◽  
Akiko Kamiyama ◽  
Hiroshi Ohrui ◽  
Hiroshi Meguro
Keyword(s):  
Carboxylic Acid ◽  
High Resolution ◽  
Absolute Configuration ◽  
Tert Butyl ◽  
The Absolute

scholarly journals Absolute Configuration of (S)-(+)-[(Benzyloxymethyl)(tert-butyl)methylsilyl] Methyl Ketone

1996 ◽  
Vol 52 (4) ◽  
pp. 1045-1047 ◽  
Author(s):  
S. Bratovanov ◽  
A. Linden ◽  
S. Bienz
Keyword(s):  
Absolute Configuration ◽  
Methyl Ketone ◽  
Tert Butyl

Absolute configuration of A-32'287 [conocandin] and total synthesis of its methyl and tert-butyl esters

1987 ◽  
Vol 52 (24) ◽  
pp. 5452-5457 ◽  
Author(s):  
Luca Banfi ◽  
Walter Cabri ◽  
Giovanni Poli ◽  
Donatella Potenza ◽  
Carlo Scolastico
Keyword(s):  
Total Synthesis ◽  
Absolute Configuration ◽  
Tert Butyl ◽  
Butyl Esters
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