Highly efficient ceramic catalytic blocks with a honeycomb structure
β Scribed by S. M. Logvinkov; G. D. Semchenko; S. V. Tishchenko; V. I. Toshinskii; V. A. Borovaya; I. N. Opryshko
- Publisher
- Springer US
- Year
- 1996
- Tongue
- English
- Weight
- 312 KB
- Volume
- 53
- Category
- Article
- ISSN
- 0361-7610
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Different esters of 2-aryl-4-hydroxy-3-nitro-5-(triphenylphosphoranylidene)cyclopenta-1,3-diene-1-carboxylates 1 were prepared in excellent yields from the 1 : 1 : 1 reaction between Ph 3 P, dialkyl acetylenedicarboxylates 2, and (substituted) 2-(nitroethenyl)benzenes 3 (Scheme 1). The structures of
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