ChemInform Abstract: Exploratory Studies Towards AB-Ring System of Taxanes via Intramolecular Alkylation Reaction. Formation of Bicyclo[2.2.2]octanones in Preference to Bicyclo[5.3.1]undecanes.

ChemInform ◽  
2008 ◽  
Vol 39 (2) ◽  
Author(s):  
A. Srikrishna ◽  
T. Jagadeeswara Reddy ◽  
P. Praveen Kumar
Keyword(s):  
Ring System ◽  
Alkylation Reaction ◽  
Intramolecular Alkylation ◽  
Reaction Formation ◽  
Ab Ring

Synthetic Studies toward Tubiferal A: Asymmetric Synthesis of a Model ABC-ring Compound

Synlett ◽  
2021 ◽  
Author(s):  
Yuki Yukutake ◽  
Takahiro Hiramatsu ◽  
Ryusei Itoh ◽  
Kazutada Ikeuchi ◽  
Takahiro Suzuki ◽  
...  
Keyword(s):  
Asymmetric Synthesis ◽  
Claisen Rearrangement ◽  
Ring System ◽  
Alkylation Reaction ◽  
Ring Model ◽  
Stereoselective Addition ◽  
Stereogenic Centers ◽  
Rearrangement Reaction ◽  
Synthetic Studies ◽  
Ab Ring

Synthetic studies on an ABC-ring model of Tubiferal A, a triterpenoid isolated from the fruit bodies of the Tubifera dimorphotheca myxomycete, are described. The stereogenic centers at the angular positions were constructed through the stereoselective addition of a C-ring allylborane followed by an Eschenmoser–Claisen rearrangement reaction prior to the formation of the AB-ring system by a double intramolecular alkylation reaction of a dichloro nitrile intermediate.

A concise enantioselective synthesis of the AB ring system of the manzamine alkaloids by ring-closing enyne metathesis

2001 ◽  
Vol 42 (18) ◽  
pp. 3235-3238 ◽  
Author(s):  
J.Stephen Clark ◽  
Robert J Townsend ◽  
Alexander J Blake ◽  
Simon J Teat ◽  
Amanda Johns
Keyword(s):  
Ring System ◽  
Enantioselective Synthesis ◽  
Enyne Metathesis ◽  
Manzamine Alkaloids ◽  
Ab Ring

ChemInform Abstract: AN ALTERNATE METHOD FOR CONSTRUCTION OF THE VERNOLEPIN AB-RING SYSTEM

1975 ◽  
Vol 6 (33) ◽  
pp. no-no
Author(s):  
P. A. GRIECO ◽  
J. J. REAP ◽  
J. A. NOGUEZ
Keyword(s):  
Ring System ◽  
Ab Ring

ChemInform Abstract: Synthesis of Chiral Bicyclo(2.2.2)oct-5-en-2-ones via an Intramolecular Alkylation Reaction.

ChemInform ◽  
2010 ◽  
Vol 27 (37) ◽  
pp. no-no
Author(s):  
A. SRIKRISHNA ◽  
G. V. R. SHARMA ◽  
S. DANIELDOSS ◽  
P. HEMAMALINI
Keyword(s):  
Alkylation Reaction ◽  
Intramolecular Alkylation

An Oxy-Cope Route to the Taxane AB Ring System

Synlett ◽  
1990 ◽  
Vol 1990 (12) ◽  
pp. 729-730 ◽  
Author(s):  
Paul A. Zucker ◽  
Joseph A. Lupia
Keyword(s):  
Ring System ◽  
Ab Ring
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