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A steroidal cyclopeptide, synthesis and shape of the cavity

✍ Scribed by Dieter Albert; Martin Feigel

Publisher
Elsevier Science
Year
1994
Tongue
French
Weight
318 KB
Volume
35
Category
Article
ISSN
0040-4039

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✦ Synopsis

Abr#ract: Cycle-[3a-(pbcoylalaninylamino)-5g-cbolanate]s 2 was synthesized from litbocbolic acid and (S)-pbenylalanioe, Tbe synthesis requires three transformations: i) stereoselective convcrsioo of the 3a-bydroxy group to the fa-amino group; ii) preparation of the linear steroidal peptide; iii) cyclodimerisatioo.

NMR measurements and MM3 calculations support a conformation of 2 with a lipophilic cavity.

πŸ“œ SIMILAR VOLUMES

Numerical simulation for the shape recon
Numerical simulation for the shape reconstruction of a cavity
✍ Wen-Jing Yan; Yi-Chen Ma πŸ“‚ Article πŸ“… 2009 πŸ› John Wiley and Sons 🌐 English βš– 105 KB

## Abstract We consider the inverse problem of reconstructing the interior boundary curve of a cavity from the knowledge of the measurements on the exterior boundary. The domain derivative of the corresponding operator is presented, and this allows the investigation of the regularized Newton method