MBTOMalignant Biliary Tract Obstruction
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An apparent activation energy for formation of BHBS with using MBTO as a catalyst is 136KJ/mol, whereas the value of uncatalized reaction is slightly higher (149KJ/mol).
Figure 10 shows the correlation between extent of reaction and time at various concentration of MBTO and DBTO as a catalyst in the direct-esterification.
We investigated the rate of reaction on direct-esterification of SA and BD both in the presence of MBTO as a catalyst and in the absence of catalyst.