Concerning the “novel intramolecular hydrogen bond to a trans-syn,s-cis 
formazan system”: solution isomers of 3-carboxymethylthio- and 
3-methoxy-carbonyl-1,5-diphenylformazan

Neugebauer, Franz A.; Fischer, Hans; Griebel, Dieter

doi:10.1016/S0040-4039(00)77733-1

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Concerning the “novel intramolecular hydrogen bond to a trans-syn,s-cis formazan system”: solution isomers of 3-carboxymethylthio- and 3-methoxy-carbonyl-1,5-diphenylformazan

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Neugebauer, Franz A.
Department of Organic Chemistry, Max Planck Institute for Medical Research, Max Planck Society;

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https://www.sciencedirect.com/science/article/pii/S0040403900777331/pdf?md5=d1694b2e240b1bf3e18c4a0ea24b688d&pid=1-s2.0-S0040403900777331-main.pdf
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Citation

Neugebauer, F. A., Fischer, H., & Griebel, D. (1980). Concerning the “novel intramolecular hydrogen bond to a trans-syn,s-cis formazan system”: solution isomers of 3-carboxymethylthio- and 3-methoxy-carbonyl-1,5-diphenylformazan. Tetrahedron Letters, 21(10), 899-902. doi:10.1016/S0040-4039(00)77733-1.

Cite as: https://hdl.handle.net/21.11116/0000-0004-9A1B-1

Abstract

Spectroscopic studies of the [1,5-15N2]-labelled title compounds demonstrate the presence of the yellow trans-anti,s-trans () and the red trans-syn,s-cis () isomers in solution. There is no experimental evidence supporting the postulated novel hydrogen bridge .