SYNTHESIS NO. 41
Cis-bis glycinato copper (II) monohydrate
1.
Weigh, to the nearest 0.01 g, 4g of copper (II) acetate monohydrate and place in a 250 ml flask.
Add 40 ml of H2O and heat, with stirring, until the salt completely dissolves.
2.
Keeping the solution warm, add 40 ml of hot 95% ethanol to the flask.
3.
Weigh out 3 g of glycine and place in a 50 ml beaker. Add 40 ml H2O and heat until
dissolution occurs.
4.
Add the hot glycine solution to the hot copper solution and swirl.
5.
Cool the flask in an ice bath until the product precipitates.
6.
Collect the product using a Büchner funnel. The filtrate may be used to rinse out any product
remaining in the flask.
7.
Wash the product once with approximately 60 ml of 95% ethanol.
8.
Suction dry the product for a few minutes, then put on a watch glass and dry in an oven at
about 50ºC for 40 minutes.
9.
Weigh the final, dry product and place in a pre-weighed vial (with cap).
:NH2 - CH2 -CO2 glycinato