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A two-dimensional ladder-type network in the 2:1 co-crystal of 1,2,5-thiadiazole-3,4-dicarboxylic acid and 4,4′-bipyridine

✍ Scribed by Masaaki Tomura; Yoshiro Yamashita


Publisher
Springer
Year
2009
Tongue
English
Weight
262 KB
Volume
21
Category
Article
ISSN
1040-0400

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Synthesis and X-ray crystal structure of
✍ Robert B. Palmer; Niels H. Andersen 📂 Article 📅 1996 🏛 Elsevier Science 🌐 English ⚖ 242 KB

We report the synthesis and X-ray crystal structure of 1,4-dihydro-2,6-dimethyl-4-(2'isopropylphenyl)-3,5-pyridine-dicarboxylic acid dimethyl ester (4), an analogue of the 1,4dihydropyridine calcium channel antagonist, nifedipine. Solution state NOE data indicate the presence of both rotameric forms