Lignocellulosic materials (LM) are an ever present renewable and available energy source. This source is the only alternative for chemical production after fossil fuels. A study of the influence of variety type of dilute acid treatment and responses of different cellulosic agriculture wastes namely: sugarcane bagasse, rice straw, corn stover, and corn cobs to hydrolysis showed that both treatment conditions (temperature, pressure, reaction time and concentration of acid) and LM source affected on the percent of products. The treatment was carried out in flask equipped with condenser at atmospheric pressure and in small reactor at elevated pressure. The materials were grinded washed with water, and dried before retreatment. HMF, levulonic acid and furfural were extracted and measured from different LM sources in addition to total reduced sugars were estimated.

Lignocellulosic materials (LM) are an ever present renewable and available energy source. This source is the only alternative for chemical production after fossil fuels. A study of the influence of variety type of dilute acid treatment and responses of different cellulosic agriculture wastes namely: sugarcane bagasse, rice straw, corn stover, and corn cobs to hydrolysis showed that both treatment conditions (temperature, pressure, reaction time and concentration of acid) and LM source affected on the percent of products. The treatment was carried out in flask equipped with condenser at atmospheric pressure and in small reactor at elevated pressure. The materials were grinded washed with water, and dried before retreatment. HMF, levulonic acid and furfural were extracted and measured from different LM sources in addition to total reduced sugars were estimated.

Lignocellulosic materials (LM) are an ever present renewable and available energy source. This source is the only alternative for chemical production after fossil fuels. A study of the influence of variety type of dilute acid treatment and responses of different cellulosic agriculture wastes namely: sugarcane bagasse, rice straw, corn stover, and corn cobs to hydrolysis showed that both treatment conditions (temperature, pressure, reaction time and concentration of acid) and LM source affected on the percent of products. The treatment was carried out in flask equipped with condenser at atmospheric pressure and in small reactor at elevated pressure. The materials were grinded washed with water, and dried before retreatment. HMF, levulonic acid and furfural were extracted and measured from different LM sources in addition to total reduced sugars were estimated.

Lignocellulosic materials (LM) are an ever present renewable and available energy source. This source is the only alternative for chemical production after fossil fuels. A study of the influence of variety type of dilute acid treatment and responses of different cellulosic agriculture wastes namely: sugarcane bagasse, rice straw, corn stover, and corn cobs to hydrolysis showed that both treatment conditions (temperature, pressure, reaction time and concentration of acid) and LM source affected on the percent of products. The treatment was carried out in flask equipped with condenser at atmospheric pressure and in small reactor at elevated pressure. The materials were grinded washed with water, and dried before retreatment. HMF, levulonic acid and furfural were extracted and measured from different LM sources in addition to total reduced sugars were estimated.

Hydrazinolysis of ethyl 5-morpholin-4-yl-1-(1H-pyrrol-1-yl)-6,7,8,9-tetrahydrothieno[2,3-c]isoquinoline-2-carboxylate afforded the corresponding carbohydrazide which upon condensation with aromatic aldehydes, acetyl acetone and/or carbon disulfide gave N-arylidinecarbohydrazide, dimethylpyrazolyl methanone, [1,3,4]oxadiazole-2-thiol and its ethyl ester derivatives respectively. Diazotization of the carbohydrazide with nitrous acid afforded the corresponding carboazide which was used for synthesis of carbamates and substituted carboxamides. Boiling of the carboazide in dry xylene afforded the pyrazinone compound which was used for synthesis of other heterocycles containing pyrrolopyrazinothinoisoquinoline moeity.

Hydrazinolysis of ethyl 5-morpholin-4-yl-1-(1H-pyrrol-1-yl)-6,7,8,9-tetrahydrothieno[2,3-c]isoquinoline-2-carboxylate afforded the corresponding carbohydrazide which upon condensation with aromatic aldehydes, acetyl acetone and/or carbon disulfide gave N-arylidinecarbohydrazide, dimethylpyrazolyl methanone, [1,3,4]oxadiazole-2-thiol and its ethyl ester derivatives respectively. Diazotization of the carbohydrazide with nitrous acid afforded the corresponding carboazide which was used for synthesis of carbamates and substituted carboxamides. Boiling of the carboazide in dry xylene afforded the pyrazinone compound which was used for synthesis of other heterocycles containing pyrrolopyrazinothinoisoquinoline moeity.