تفاعل #213955

معادلة التفاعل

2-amino-3-carbamoyl-quinoxaline

2-chloro-3-carbethoxy-quinoxaline

ethyl bromopyruvate

→

1-carbethoxycarbonylmethyl-2-amino-3-carbamoyl-quinoxalinium bromide

المذيبات

dimethoxy ethane

ظروف التفاعل

المعالجة

1. 1
   ترشيحwas filtered

الإجراء التجريبي

A solution of 1 g of 2-amino-3-carbamoyl-quinoxaline prepared from 2-chloro-3-carbethoxy-quinoxaline by the method of Gowenlock et al [J. Chem. Soc., 1945, p. 622-5] in 50 ml of dimethoxy ethane and ethyl bromopyruvate was stirred for 2 days and was filtered to obtain 1.44 g of 1-carbethoxycarbonylmethyl-2-amino-3-carbamoyl-quinoxalinium bromide as a yellow crystalline solid.

المصدر