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Trennung und absolute Konfiguration der Enantiomeren von cis-6,6a,7,8,13,13a-Hexahydro-1-benzopyrano[4,3-b]-1,5- benzodiazepin-Derivaten

✍ Scribed by Dr. sc. nat. W. Werner; Dr. G. Burckhardt

Publisher: John Wiley and Sons
Year: 1986
Tongue: English
Weight: 317 KB
Volume: 328
Category: Article
ISSN: 1615-4150
DOI: 10.1002/prac.19863280508

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✍ She, Nengfang ;Xi, Hailing 📂 Article 📅 2007 🏛 International Union of Crystallography 🌐 English ⚖ 520 KB

In the title compound, C~18~H~20~N~4~O~3~, a glycoluril derivative, the oxadiazinane six-membered ring displays a chair conformation and the bridgehead cyclohexane ring a boat conformation. In the crystal structure, intermolecular C—H...O hydrogen bonds may help to establish the packing.

Darstellung, Schwingungsspektrum und Kri

Darstellung, Schwingungsspektrum und Kristallstruktur von (n-Bu4N)2[(W6Cl3.0.CO;2-0/asset/equation/tex2gif-stack-1.gif?v=1&t=h5l6ob0j&s=df6abec31a7992e6da08b8f964d70845e758439f" class="inlineGraphic">)F3.0.CO;2-0/asset/equation/tex2gif-stack-2.gif?v=1&t=h5l6ob0k&s=88edebb279212106eafb388f471138aea12a95ca" class="inlineGraphic">] · 2 CH2Cl2 und 19F-NMR-spektroskopischer Nachweis der gemischten Clusteranionen [(W6Cl3.0.CO;2-0/asset/equation/tex2gif-stack-3.gif?v=1&t=h5l6ob0k&s=0ff36581143ebffc660889c1ad095fcdcbe74360" class="inlineGraphic">)F3.0.CO;2-0/asset/equation/tex2gif-stack-4.gif?v=1&t=h5l6ob0k&s=7e1a5dae2af06a396ebd2bd1f5711d8993710e9c" class="inlineGraphic">Cl3.0.CO;2-0/asset/equation/tex2gif-stack-5.gif?v=1&t=h5l6ob0k&s=3e63e75a2e8820b2f3541f9f4435f624f62fde17" class="inlineGraphic">]2–, n = 1–6

✍ M. Stallmann; W. Preetz 📂 Article 📅 2000 🏛 John Wiley and Sons 🌐 German ⚖ 153 KB 👁 2 views

Ûber (n-Bu 4 N) 2 [(W 6 Cl i 8 )F a 6 ] ´2 CH 2 Cl 2 und 19 F-NMR-Nachweis gemischter Clusteranionen [(W 6 Cl i 8 )F a n Cl a 6Àn ], n = 1±6