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Monoclinic polymorph of Boc-Trp-Ile-Ala-Aib-Ile-Val-Aib-Leu-Aib-Pro-OMe(anhydrous)

โœ Scribed by KARLE, ISABELLA L. ;FLIPPEN-ANDERSON, JUDITH L. ;SUKUMAR, MUPALLA ;BALARAM, PADMANABHAM

Book ID
115098793
Publisher
Wiley (Blackwell Publishing)
Year
2009
Tongue
English
Weight
504 KB
Volume
31
Category
Article
ISSN
0367-8377

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๐Ÿ“œ SIMILAR VOLUMES

Synthesis of the endothiopeptide BOC-Trp
Synthesis of the endothiopeptide BOC-Trp-Ile-Ala-Aib-Ile-Valฮจ[CSNH]Aib-Leu-Aib-Pro-OMe by a variation of the โ€˜azirine/oxazolone methodโ€™
โœ Jรผrg Lehmann; Anthony Linden; Heinz Heimgartner ๐Ÿ“‚ Article ๐Ÿ“… 1998 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 900 KB

The synthesis of the decaendothiopepfide BOC-Trp-Ile-Ala-Aib-lle-Val~F[CSNH]Aib-Leu -Aib-Pro-OMe is described. The introduction of the thioamide group next to the bulky Aib occurred via a variation of the 'azirine/oxazolone method' without epimerisation. The structure of the decaendothiopeptide was

Helix aggregation in peptide crystals: O
Helix aggregation in peptide crystals: Occurrence of either all parallel or antiparallel packing motifs for ฮฑ-helices in polymorphs of Boc-Aib-Ala-Leu-Ala-Leu-Aib-Leu-Ala-Leu-Aib-OMe
โœ Isabella L. Karle; Judith L. Flippen-Anderson; K. Uma; P. Balaram ๐Ÿ“‚ Article ๐Ÿ“… 1990 ๐Ÿ› Wiley (John Wiley & Sons) ๐ŸŒ English โš– 722 KB

Leu-Ala-Leu-Aib-OMe, have been obtained. Antiparallel helix aggregation is observed in crystals grown from methanol ( A ) , while completely parallel packing is observed in crystals from isopropanol ( B ) or an ethylene glycol-ethanol mixture ( C ) . Crystals B and C are very similar in molecular co