Selective O- and N-nitration of steroids fused to the pyrazole ring
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DOI: 10.1007/s11172-018-2308-z
Abstract: Chemoselective methods for O- and N-nitration of steroids fused to the pyrazole ring were developed. The nitrating agents were acetyl, propionyl, and trifluoroacetyl nitrates generated from carboxylic acid anhydrides and either copper nitrate or nitric… read more here.
Keywords: nitration; steroids fused; fused pyrazole; selective nitration ... See more keywords
Copper(II)-catalyzed-α-C(sp3)-H activation of cyclic amines: A simple and efficient strategy for the synthesis of fused pyrazole derivatives
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DOI: 10.1016/j.tetlet.2018.10.017
Abstract: Abstract In this paper, we have described a simple and efficient strategy for the synthesis of fused pyrazole derivatives. The key steps of our strategy involves hydroamination, copper-catalyzed cross dehydrogenative coupling (CDC) followed by aromatization… read more here.
Keywords: pyrazole derivatives; fused pyrazole; strategy; synthesis fused ... See more keywords
Fused pyrazole-phenanthridine based dyads: synthesis, photo-physical and theoretical studies, and live cell pH imaging
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DOI: 10.1039/c9ra07860f
Abstract: The arrangement of small sized molecules with a scaffold structure plays an active role in the fields of sensors and health care. read more here.
Keywords: pyrazole phenanthridine; synthesis photo; based dyads; phenanthridine based ... See more keywords