Cis-trans isomerisation of semicarbazone compounds

Details Cis-trans isomerisation of semicarbazone compounds Cis-trans isomerisation of semicarbazone compounds

2008-05-13

2008-05-13

Powers, Fiona T (Department: 1626)

Organic compounds -- part of the class 532-570 series

Organic compounds

Nitriles

C564S036000

Reexamination Certificate

active

10578465

ABSTRACT:
The present invention relates to the isomerization of the Z-isomer I-Z of semicarbazone compounds of the general formula (I) into its E-isomer I-E, where the variables in formula (I) have meanings given in claim1

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Karabatsos et al., “Syn-anti isomer determination of 2,4-dinitrophenylhydrazones and semicarbazones by N. m. r.,” Journal of the American Chemical Society, vol. 48:pp. 753-755 (Mar. 5, 1962) (XP002320013), Cited in Search Report.
Karabatsos, et al., “Structural studies by nuclear resonance. VIII. Ring-Substituted Phenylhydrazones, Semicarbazones, and Thiosemicarbazones,” Journal of the American Chemical Society, vol. 86:pp. 3351-3357 (Aug. 20, 1964) (XP002320014), Cited in Search Report.
“Houben-weyl, Methoden der Organischen Chemi” vol. X/2:pp. 479-487 (1967) (XP002320015), Cited in Search Report.

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