2,2-Dimethyl-5-phenyl-4-oxa-1-aza-6,7:8,9-dibenzobicyclo[3.2.2]nonane
✍ Scribed by Wang, Min ;Xu, Jing ;Su, Wei-Ping
- Publisher
- International Union of Crystallography
- Year
- 2007
- Tongue
- English
- Weight
- 563 KB
- Volume
- 63
- Category
- Article
- ISSN
- 1600-5368
No coin nor oath required. For personal study only.
📜 SIMILAR VOLUMES
The structure of the title compound, C 5 H 7 N 7 O 7 , contains fused ®ve-and six-membered rings in a ¯attened envelope and a twist-boat conformation, respectively, with a cis junction between the two heterocyclic rings.
The total synthesis of chiral ~~4,7-lactam1~ 4 has been accomplished starting from &acetoxyazetidinone. An independent route from methyl penicillanate has been used to test the efficiency of the foregoing synthesis. We recently reported (1) the skeletal conversion of penicillanic acid to (+)-2,2,5,
Single-crystal X-ray study T = 293 K Mean '(C±C) = 0.004 A Ê R factor = 0.054 wR factor = 0.131 Data-to-parameter ratio = 15.4 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.
## Abstract The synthesis of 7,8‐dihydroxy‐2‐(2‐methoxycarbonylethyl)‐4,9‐dioxa‐2‐azabicyclo[4.2.1]nonane‐ 3‐thione (**16**) and of its parents 9‐oxa‐4‐thia‐3‐thione **17**, and 9‐oxa‐4‐thia‐3‐one **18** is described. The conversion of 5′‐deoxy‐5′‐iodo‐2′,3′‐__O, O__‐isopropylidene‐5,6‐dihydrouridi