Regioselective and Chemoselective Reduction of <svg     style="vertical-align:-0.216pt;width:14.1125px;" id="M1" height="10.725" version="1.1" viewBox="0 0 14.1125 10.725" width="14.1125"  xmlns:xlink="http://www.w3.org/1999/xlink" xmlns="http://www.w3.org/2000/svg">
	
		
			<g transform="matrix(.022,-0,0,-.022,.062,10.4)"><path id="x1D736" d="M505 450h125l-163 -259q-1 -4 -1 -12q0 -19 1 -23q9 -98 41 -98q36 0 58 76l24 -7q-34 -139 -121 -139q-32 0 -57.5 24t-31.5 55q-72 -77 -181 -77q-73 0 -114 44t-41 124q0 118 79 210q79 93 197 93q51 0 86 -27t50 -71zM369 281q0 141 -62 141q-43 0 -95 -84
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</svg>,<svg     style="vertical-align:-3.69pt;width:12.5625px;" id="M2" height="20.075001" version="1.1" viewBox="0 0 12.5625 20.075001" width="12.5625"  xmlns:xlink="http://www.w3.org/1999/xlink" xmlns="http://www.w3.org/2000/svg">
	
		
			<g transform="matrix(.022,-0,0,-.022,.062,15.412)"><path id="x1D737" d="M54 -114l114 487q24 102 62.5 165t102.5 109q53 38 129 38q51 0 86 -33.5t35 -84.5q0 -57 -31.5 -105t-81.5 -68v-2q88 -14 88 -126q0 -64 -29 -127q-29 -62 -90 -107q-62 -44 -143 -44q-67 0 -97 18l-28 -124q-11 -51 -26 -87h-117q9 19 26 91zM304 480l-87 -393
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</svg>-Unsaturated Carbonyl Compounds by <svg     style="vertical-align:-4.32pt;width:64.449997px;" id="M3" height="20.075001" version="1.1" viewBox="0 0 64.449997 20.075001" width="64.449997"  xmlns:xlink="http://www.w3.org/1999/xlink" xmlns="http://www.w3.org/2000/svg">
	
		
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</svg>/Ba<svg     style="vertical-align:-4.32pt;width:64.112503px;" id="M4" height="21.424999" version="1.1" viewBox="0 0 64.112503 21.424999" width="64.112503"  xmlns:xlink="http://www.w3.org/1999/xlink" xmlns="http://www.w3.org/2000/svg">
	
		
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			<g transform="matrix(.016,-0,0,-.016,55.9,21.363)"><path id="x32" d="M412 140l28 -9q0 -2 -35 -131h-373v23q112 112 161 170q59 70 92 127t33 115q0 63 -31 98t-86 35q-75 0 -137 -93l-22 20l57 81q55 59 135 59q69 0 118.5 -46.5t49.5 -122.5q0 -62 -29.5 -114t-102.5 -130l-141 -149h186q42 0 58.5 10.5t38.5 56.5z" /></g>

		
	
</svg> as a Reducing System

Organic Chemistry International

sch2

Scheme 2

Scheme 2: Regioselective and Chemoselective Reduction of <svg     style="vertical-align:-0.216pt;width:14.1125px;" id="M1" height="10.725" version="1.1" viewBox="0 0 14.1125 10.725" width="14.1125"  xmlns:xlink="http://www.w3.org/1999/xlink" xmlns="http://www.w3.org/2000/svg">
	
		
			<g transform="matrix(.022,-0,0,-.022,.062,10.4)"><path id="x1D736" d="M505 450h125l-163 -259q-1 -4 -1 -12q0 -19 1 -23q9 -98 41 -98q36 0 58 76l24 -7q-34 -139 -121 -139q-32 0 -57.5 24t-31.5 55q-72 -77 -181 -77q-73 0 -114 44t-41 124q0 118 79 210q79 93 197 93q51 0 86 -27t50 -71zM369 281q0 141 -62 141q-43 0 -95 -84
q-52 -82 -52 -195q0 -50 15 -83t42 -33q35 0 79 57q43 58 67 121q6 35 6 76z" /></g>

		
	
</svg>,<svg     style="vertical-align:-3.69pt;width:12.5625px;" id="M2" height="20.075001" version="1.1" viewBox="0 0 12.5625 20.075001" width="12.5625"  xmlns:xlink="http://www.w3.org/1999/xlink" xmlns="http://www.w3.org/2000/svg">
	
		
			<g transform="matrix(.022,-0,0,-.022,.062,15.412)"><path id="x1D737" d="M54 -114l114 487q24 102 62.5 165t102.5 109q53 38 129 38q51 0 86 -33.5t35 -84.5q0 -57 -31.5 -105t-81.5 -68v-2q88 -14 88 -126q0 -64 -29 -127q-29 -62 -90 -107q-62 -44 -143 -44q-67 0 -97 18l-28 -124q-11 -51 -26 -87h-117q9 19 26 91zM304 480l-87 -393
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</svg>-Unsaturated Carbonyl Compounds by <svg     style="vertical-align:-4.32pt;width:64.449997px;" id="M3" height="20.075001" version="1.1" viewBox="0 0 64.449997 20.075001" width="64.449997"  xmlns:xlink="http://www.w3.org/1999/xlink" xmlns="http://www.w3.org/2000/svg">
	
		
			<g transform="matrix(.022,-0,0,-.022,.062,14.637)"><path id="x4E" d="M719 650v-28q-43 -2 -62 -15t-22 -44q-6 -47 -6 -169v-403h-31l-426 524h-2v-251q0 -111 6 -169q4 -37 24 -50.5t72 -16.5v-28h-237v28q45 2 64.5 16t23.5 49q6 62 6 171v220q0 54 -3 68.5t-17 32.5q-16 19 -34.5 26.5t-54.5 10.5v28h147l418 -502h3v246q0 117 -7 166
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</svg>/Ba<svg     style="vertical-align:-4.32pt;width:64.112503px;" id="M4" height="21.424999" version="1.1" viewBox="0 0 64.112503 21.424999" width="64.112503"  xmlns:xlink="http://www.w3.org/1999/xlink" xmlns="http://www.w3.org/2000/svg">
	
		
			<g transform="matrix(.022,-0,0,-.022,.062,15.975)"><path id="x28" d="M300 -147l-18 -23q-106 71 -159 185.5t-53 254.5v1q0 139 53 252.5t159 186.5l18 -24q-74 -62 -115.5 -173.5t-41.5 -242.5q0 -130 41.5 -242.5t115.5 -174.5z" /></g><g transform="matrix(.022,-0,0,-.022,7.819,15.975)"><path id="x4F" d="M381 665q131 0 226.5 -93t95.5 -239q0 -158 -96 -253t-238 -95q-137 0 -231 95t-94 238q0 142 92.5 244.5t244.5 102.5zM359 629q-89 0 -151 -74.5t-62 -208.5q0 -141 69 -233t175 -92q90 0 150.5 74t60.5 211q0 152 -69 237.5t-173 85.5z" /></g><g transform="matrix(.022,-0,0,-.022,23.756,15.975)"><path id="x41" d="M673 0h-245v28q47 6 58 16t1 39l-55 154h-213q-31 -87 -36 -129q-16 -47 -5 -61t68 -19v-28h-226v28q50 7 68.5 23.5t43.5 80.5l214 524l24 9l193 -536q23 -63 41.5 -79.5t68.5 -21.5v-28zM418 280l-81 255h-2q-74 -197 -101 -255h184z" /></g><g transform="matrix(.022,-0,0,-.022,38.663,15.975)"><path id="x63" d="M390 111l17 -21q-34 -45 -80 -73.5t-89 -28.5q-91 0 -146 62t-55 147q0 118 101 195q74 57 149 57h1q59 0 90 -27q16 -14 16 -30q0 -15 -12 -29t-21 -14q-8 0 -19 11q-44 41 -101 41q-52 0 -87.5 -42.5t-35.5 -117.5q0 -49 15 -87t39 -58t49 -30t48 -10q33 0 60.5 12
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			<g transform="matrix(.016,-0,0,-.016,55.9,21.363)"><path id="x32" d="M412 140l28 -9q0 -2 -35 -131h-373v23q112 112 161 170q59 70 92 127t33 115q0 63 -31 98t-86 35q-75 0 -137 -93l-22 20l57 81q55 59 135 59q69 0 118.5 -46.5t49.5 -122.5q0 -62 -29.5 -114t-102.5 -130l-141 -149h186q42 0 58.5 10.5t38.5 56.5z" /></g>

		
	
</svg> as a Reducing System 

Scheme 2 | Regioselective and Chemoselective Reduction of 
	
		
			

		
	
,
	
		
			

		
	
-Unsaturated Carbonyl Compounds by 
	
		
			

			

		
	
/Ba
	
		
			

			

		
	
 as a Reducing System 

Organic Chemistry International

Regioselective and Chemoselective Reduction of , -Unsaturated Carbonyl Compounds by /Ba as a Reducing System

Scheme 2

Regioselective and Chemoselective Reduction of ,-Unsaturated Carbonyl Compounds by /Ba as a Reducing System