Melts at 38", resolidifies and remelts at 46-47'. b Kjeldahl N. dicarboxylate as well and found it toxic, but pub- lished no further work on this series. As these compounds are relatively unknown, the synthesis and properties of some ring substituted phenylimi- dodicarboxylates are reported herewith. Diels and Nawiasky7 and Tompkins and Deger- ing8 obtained phenylimidodicarboxylic esters by treating alkyl phenylcarbamates with sodium and then adding alkyl ...
![diethyl 2-benzo[1,3]dioxol-5-yl-4-hydroxy-4-methyl-6-oxo-cyclohexane-1,3-dicarboxylate Structure](https://image.chemsrc.com/caspic/464/6286-69-7.png)