A Synthesis of AB-Ring Model System of Taxane Framework by Way of Intramolecular Knoevenagel Cyclization

2002 ◽  
Vol 31 (1) ◽  
pp. 92-93 ◽  
Author(s):  
Hidehiro Arai ◽  
Ayako Ohno ◽  
Yu-ichirou Tani ◽  
Shouhei Imachi ◽  
Teruaki Mukaiyama
Keyword(s):  
Model System ◽  
Ring Model ◽  
Ab Ring

Synthesis of AB Ring Model System of TaxolviaAllylation of 8-Membered Ring Compound and Intramolecular Aldol Condensation

1995 ◽  
Vol 24 (3) ◽  
pp. 229-230 ◽  
Author(s):  
Teruaki Mukaiyama ◽  
Isamu Shiina ◽  
Kaname Kimura ◽  
Yuji Akiyama ◽  
Hayato Iwadare
Keyword(s):  
Aldol Condensation ◽  
Model System ◽  
Membered Ring ◽  
Ring Model ◽  
Ab Ring

ChemInform Abstract: A Synthesis of AB-Ring Model System of Taxane Framework by Way of Intramolecular Knoevenagel Cyclization.

ChemInform ◽  
2010 ◽  
Vol 33 (24) ◽  
pp. no-no
Author(s):  
Hidehiro Arai ◽  
Ayako Ohno ◽  
Yu-ichirou Tani ◽  
Shouhei Imachi ◽  
Teruaki Mukaiyama
Keyword(s):  
Model System ◽  
Ring Model ◽  
Ab Ring

ChemInform Abstract: Synthesis of AB Ring Model System of Taxol via Allylation of 8- Membered Ring Compound and Intramolecular Aldol Condensation.

ChemInform ◽  
2010 ◽  
Vol 26 (33) ◽  
pp. no-no
Author(s):  
T. MUKAIYAMA ◽  
I. SHIINA ◽  
K. KIMURA ◽  
Y. AKIYAMA ◽  
H. IWADARE
Keyword(s):  
Aldol Condensation ◽  
Model System ◽  
Membered Ring ◽  
Ring Model ◽  
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.

Toxic effects of cadmium on ciliary activity using a tracheal ring model system

1977 ◽  
Vol 13 (1) ◽  
pp. 111-120 ◽  
Author(s):  
Dorothy Adalis ◽  
Donald E. Gardner ◽  
Frederick J. Miller ◽  
David L. Coffin
Keyword(s):  
Tracheal Ring ◽  
Model System ◽  
Toxic Effects ◽  
Ciliary Activity ◽  
Ring Model

A Protozoan Model for Golgi-Associated Calcification

1971 ◽  
Vol 29 ◽  
pp. 332-333
Author(s):  
D. C. Williams ◽  
D. E. Outka
Keyword(s):  
Golgi Apparatus ◽  
Organic Matrix ◽  
Model System ◽  
Sequential Formation

Many studies have shown that the Golgi apparatus is involved in a variety of synthetic activities, and probably no Golgi product is more elaborate than the scales produced by various kinds of phytoflagellates. The formation of calcified scales (coccoliths, Fig. 1,2) of the coccolithophorid phytoflagellates provides a particularly interesting model system for the study of biological mineralization, and the sequential formation of Golgi products.The coccoliths of Hymenomonas carterae consist of a scale-like base (Fig. 2 and 4, b) with a highly structured calcified (CaCO3) rim composed of two distinct elements which alternate about the base periphery (Fig. 1 and 3, A, B). Each element is enveloped by a sheath-like organic matrix (Fig. 3; Fig. 4, m).

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