Novel thermal decarbonylative dimerization of 1,2,3,4,5,6-hexahydrobenzo [1,2;4,5]dicyclobutene-3,6-dione
✍ Scribed by Masaji Oda; Keiji Okada; Takeshi Motegi; Ling-Kang Liu; Yuh-Sheng Wen
- Publisher
- Elsevier Science
- Year
- 1990
- Tongue
- French
- Weight
- 143 KB
- Volume
- 31
- Category
- Article
- ISSN
- 0040-4039
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Z-Substituted-1,2,3,4,5,6-hexahydro-3-bemwxine-4, 6diones(la-d) and 2-methoxy-2,5,6,7-tetrahydro+ benxamnine-1,3dione 8 were synthesii thro@ an oxklative ring expansion reaction of 6-methylthio-7-substiituted-benzo(a] octem (2a-d ) and 7-methylthio%-methoxy-benzo[a]nonem 7 with sodium periodate in i
Single-crystal X-ray study T = 150 K Mean '(C±N) = 0.003 A Ê Disorder in main residue R factor = 0.038 wR factor = 0.110 Data-to-parameter ratio = 11.2 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.
## Abstract This paper describes the synthesis of some 5‐amino‐1,2,3,4‐tetrahydrobenzo[__b__][1,7]naphthyridines and 2,3,4,4a,5,6‐hexahydrobenzo[__c__][2,6] naphthyridines starting from anilines and 1‐benzyl‐4‐ethoxycarbonylpiperidin‐3‐one. The compounds were prepared in order to study their potent