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A new method for the stereoselective construction of angular methyl group of fuzed cyclic ethers

✍ Scribed by Isao Kadota; Takayuki Kishi; Yuka Fujisawa; Yuji Yamagami; Hiroyoshi Takamura

Publisher
Elsevier Science
Year
2010
Tongue
French
Weight
335 KB
Volume
51
Category
Article
ISSN
0040-4039

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πŸ“œ SIMILAR VOLUMES

A new method of introducing the angular
A new method of introducing the angular methyl group into fused ring systems
✍ James J. Sims; L.H. Selman πŸ“‚ Article πŸ“… 1969 πŸ› Elsevier Science 🌐 French βš– 181 KB

## One of the pivotal operations in the total synthesis of polycyclic terpenoids is the stereospecific introduction of the angular methyl group (1). There is a limited number of methods for accomplishing the task; an entire synthesis may be based upon the intermediates

A New Method for the Construction of Mac
A New Method for the Construction of Macrolides Stereoselective Synthesis of (Β±)-Phoracantholide J. Preliminary communication
✍ Martin Petrzilka πŸ“‚ Article πŸ“… 1978 πŸ› John Wiley and Sons 🌐 German βš– 249 KB

## Abstract Starting from 5‐chloro‐2‐pentanone (**1**) the naturally occurring 10‐membered lactone phoracantholide J (**8a**) has been synthesized as its racemate in a sequence of six steps (__Scheme 2__). Salient features of the syntheis include an internal selenium assisted acetal formation (**4β†’