Organic Lab Reactions 329

Organic Lab Reactions 329 - thalene. Must diazotize with...

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TABLE III HYPOPHOSPHOROUS ACID DBAMINATIONS Amine Aniline Benzidine jS-Naphthylamine o-Toluidine / wt-Toluidine p-Toluidine Product, Yield Benzene (60%) -f- biphenyl (small amount) Biphenyl (60%) Naphthalene (35-45%) Toluene (70-75%, pure) Toluene (51-62%, pure) Toluene (77-83%, pure) Remarks Na2SnO2 or alkaline HCHO also give 60% yield of benzene. Ethanol gives an 80% yield of bi- phenyl. Ethanol gives a 7% yield of naph-
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Unformatted text preview: thalene. Must diazotize with HC1. If H2SO4 is used yield falls to 12-23%. Alkaline H2CO gives pure toluene in 80% yield. 1 Diaaotiae with HG1. If HjSO 4 is used yield is 5-12%. Diazotize with HC1. If H2SO4 is used yield is 27-29%. Alkaline H 2 CO gives an 80% yield of pure toluene. Reference 3, 13 3 82, 13 82, see p. 295 82 82, 13, 3 3 Q I...
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This note was uploaded on 11/20/2011 for the course CHM 2210 taught by Professor Reynolds during the Fall '01 term at University of Florida.

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