The flask was warmed slightly to aid solution and the mate- rial was transferred as quickly as possible to the autoclave. (In order to facilitate transfer of the material into the auto- clave, it is found best to break the unmelted material into small pieces and to pour the mixture of liquid and solid into the autoclave, thus decreasing the period of preliminary heating.) The flask was washed with 5 ml. more of anhy- drous dimethylformamide to make the transfer complete. The ...
