Have you considered
ETHYL CHLOROFORMATE as a route to Carbonates and Carbamates;
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ROH + EtOCOCi R N H 2 + EtOCOCi
-> R O C O O E t - h HCI - > RNHCOOEt + HCI
specially isocyana^eSi R N H 2 + EtOCOCi RNHCOOEt
heat
>
-> R N H C O O E t R N C O 4- E t O H
Polyurethartes: EtOCOCi + HsNR'NHs >* E t O C O N H R ' N H C O O E t EtOCONHR'NHCOOEt + HOR'OH > p o l y u r e t h a n e 4* E t O H (by t r a n s e s t e r i f i c a t i o n )
E t h y l Chloroformate is a reactive intermediate which offers interesting possibilities in the production of polyurethanes, polycarbonate plastics, pharmaceuticals, flotation agents, perfumes, plasticizers, dyestufî intermediates and other organic chemicals. This versatile material is available in commercial quantities.
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