Synthesis and Conformational Assignment of N-(E)-Stilbenyloxymethylenecarbonyl-Substituted Hydrazones of Acetone and <i  >o</i>-(<i  >m</i>- and <i  >p</i>-) Chloro- (nitro-) benzaldehydes by Means of <svg     style="vertical-align:-0.0pt;width:25.450001px;" id="M1" height="20.85" version="1.1" viewBox="0 0 25.450001 20.85" width="25.450001"  xmlns:xlink="http://www.w3.org/1999/xlink" xmlns="http://www.w3.org/2000/svg">
	
		
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</svg> and <svg     style="vertical-align:-0.26999pt;width:30.7125px;" id="M2" height="21.1875" version="1.1" viewBox="0 0 30.7125 21.1875" width="30.7125"  xmlns:xlink="http://www.w3.org/1999/xlink" xmlns="http://www.w3.org/2000/svg">
	
		
			<g transform="matrix(.016,-0,0,-.016,.062,10.025)"><use xlink:href="#x31"/></g><g transform="matrix(.016,-0,0,-.016,7.594,10.025)"><path id="x33" d="M285 378v-2q65 -13 102 -54.5t37 -97.5q0 -57 -30.5 -104.5t-74 -75t-85.5 -42t-72 -14.5q-31 0 -59.5 11t-40.5 23q-19 18 -16 36q1 16 23 33q13 10 24 0q58 -51 124 -51q55 0 88 40t33 112q0 64 -39 96.5t-88 32.5q-29 0 -64 -11l-6 29q77 25 118 57.5t41 84.5
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</svg> NMR Spectroscopy

<table>The structures of compounds <b>19</b> and <b>20</b>.</table>

Journal of Spectroscopy

fig2

Figure 2

Figure 2: Synthesis and Conformational Assignment of N-(E)-Stilbenyloxymethylenecarbonyl-Substituted Hydrazones of Acetone and <i  >o</i>-(<i  >m</i>- and <i  >p</i>-) Chloro- (nitro-) benzaldehydes by Means of <svg     style="vertical-align:-0.0pt;width:25.450001px;" id="M1" height="20.85" version="1.1" viewBox="0 0 25.450001 20.85" width="25.450001"  xmlns:xlink="http://www.w3.org/1999/xlink" xmlns="http://www.w3.org/2000/svg">
	
		
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q0 61 -13.5 75.5t-72.5 19.5v28h261z" /></g>

		
	
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			<g transform="matrix(.016,-0,0,-.016,.062,10.025)"><use xlink:href="#x31"/></g><g transform="matrix(.016,-0,0,-.016,7.594,10.025)"><path id="x33" d="M285 378v-2q65 -13 102 -54.5t37 -97.5q0 -57 -30.5 -104.5t-74 -75t-85.5 -42t-72 -14.5q-31 0 -59.5 11t-40.5 23q-19 18 -16 36q1 16 23 33q13 10 24 0q58 -51 124 -51q55 0 88 40t33 112q0 64 -39 96.5t-88 32.5q-29 0 -64 -11l-6 29q77 25 118 57.5t41 84.5
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			<g transform="matrix(.022,-0,0,-.022,15.75,20.788)"><path id="x43" d="M614 175l29 -10q-33 -109 -57 -154q-121 -26 -184 -26q-90 0 -160.5 29t-112.5 77t-63.5 105.5t-21.5 119.5q0 157 108 253t277 96q36 0 71.5 -5t69 -13.5t36.5 -8.5q15 -102 20 -150l-29 -8q-20 79 -66.5 114t-128.5 35q-119 0 -187.5 -86t-68.5 -207
q0 -140 73.5 -227.5t188.5 -87.5q73 0 119.5 37.5t86.5 116.5z" /></g>

		
	
</svg> NMR Spectroscopy 

Figure 2 | Synthesis and Conformational Assignment of N-(E)-Stilbenyloxymethylenecarbonyl-Substituted Hydrazones of Acetone and o-(m- and p-) Chloro- (nitro-) benzaldehydes by Means of 
	
		
			

			

		
	
 and 
	
		
			

			

		
	
 NMR Spectroscopy 

Journal of Spectroscopy

Synthesis and Conformational Assignment of N-(E)-Stilbenyloxymethylenecarbonyl-Substituted Hydrazones of Acetone and o-(m- and p-) Chloro- (nitro-) benzaldehydes by Means of and NMR Spectroscopy

Figure 2