IMG_NEW_0013 - 2.0 -3.0 ppm 1.2 - 2.5 ppm benzylic o...

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chemicalshift (ppm) type of proton (underlined) 9-10ppm 4.5 - 6.5 ppm o Ao, o carboxylic acid H :(- fr 4.0 - 4.5 ppm ll O-CH ester .----. .---- HC_OH 3.0 -4.0 ppm HC-OCH3 ether _ HC-X X = F, Cl, Br, I alkylhalide
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Unformatted text preview: 2.0 -3.0 ppm 1.2 - 2.5 ppm benzylic o A"* adjacent to carbonyl-H alkyne ?( 30 (tertiary or methine) HH V- 20 (secondary or ./ \ methylene) ;;.;;;;; )\);* ;:r;;,;;;,; t7...
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