O-Benzylhydroxylamine hydrochloride was conveniently prepared by O-benzylation of N-hydroxybenzamide,acidic hydrolysis and salifying with HCl(g).The overall yield was over 76%.

氧芐羟胺盐酸盐可通过甲羟肟酸的氧苄醚化、酸水解及化氢成盐制得,总收率76%。

Xanthone was efficiently synthesized from o-chlorobenzoic acid first by etherization and then by Friedel-Crafts reaction in the presence of aluminium trichloride.

以甲酸为原料,先进行醚化,再在三化铝的作用下进行傅-克反应,可洁、高效的合成呫吨酮。

Polynionic celluloses were preparated by alkalify and etherify of refining cotton.The degree of replacement of the polynionic cellulosesis was high.The radicals of replacement were distributed evenly.

采用精制棉经过碱化、醚化得到高度且均匀分布的聚阴离子纤维素产品。

This paper introduces the light gaso line etherify technology,brings fo rward the project of building the light gasoline etherify device on th e catalyst cracking cell in the refin ery plant.

介绍了轻汽油醚化技术,提出了在炼油厂催化裂化单元建设轻汽油醚化装置的方案。

O-Benzylhydroxylamine hydrochloride was conveniently prepared by O-benzylation of N-hydroxybenzamide,acidic hydrolysis and salifying with HCl(g).The overall yield was over 76%.

氧芐基羟胺盐酸盐通过苯甲羟肟酸的氧苄醚化、酸水解及氯化氢成盐制得,总收率76%。

Xanthone was efficiently synthesized from o-chlorobenzoic acid first by etherization and then by Friedel-Crafts reaction in the presence of aluminium trichloride.

以邻氯苯甲酸为原料,先进行醚化,再在三氯化铝的作用下进行傅-克,、的合成呫吨酮。

Polynionic celluloses were preparated by alkalify and etherify of refining cotton.The degree of replacement of the polynionic cellulosesis was high.The radicals of replacement were distributed evenly.

采用精制棉经过碱化、醚化得到取代度且取代基均匀分布的聚阴离子纤维素产品。

This paper introduces the light gaso line etherify technology,brings fo rward the project of building the light gasoline etherify device on th e catalyst cracking cell in the refin ery plant.

介绍了轻汽油醚化技术,提出了在炼油厂催化裂化单元建设轻汽油醚化装置的方案。

O-Benzylhydroxylamine hydrochloride was conveniently prepared by O-benzylation of N-hydroxybenzamide,acidic hydrolysis and salifying with HCl(g).The overall yield was over 76%.

氧芐基羟胺酸可通过苯甲羟肟酸氧苄醚化、酸水解及氯化氢成,总收率76%。

Xanthone was efficiently synthesized from o-chlorobenzoic acid first by etherization and then by Friedel-Crafts reaction in the presence of aluminium trichloride.

以邻氯苯甲酸为原料,先进行醚化,再在三氯化铝作用下进行傅-克反应,可洁、高效合成呫吨酮。

Polynionic celluloses were preparated by alkalify and etherify of refining cotton.The degree of replacement of the polynionic cellulosesis was high.The radicals of replacement were distributed evenly.

采用精棉经过碱化、醚化到高取代度且取代基均匀分布离子纤维素产品。

This paper introduces the light gaso line etherify technology,brings fo rward the project of building the light gasoline etherify device on th e catalyst cracking cell in the refin ery plant.

介绍了轻汽油醚化技术,提出了在炼油厂催化裂化单元建设轻汽油醚化装置方案。

O-Benzylhydroxylamine hydrochloride was conveniently prepared by O-benzylation of N-hydroxybenzamide,acidic hydrolysis and salifying with HCl(g).The overall yield was over 76%.

氧芐基羟胺酸可通过苯甲羟肟酸氧苄醚化、酸水解及氯化氢成,总收率76%。

Xanthone was efficiently synthesized from o-chlorobenzoic acid first by etherization and then by Friedel-Crafts reaction in the presence of aluminium trichloride.

以邻氯苯甲酸为原料,先进行醚化,再在三氯化铝作用下进行傅-克反应,可洁、高效合成呫吨酮。

Polynionic celluloses were preparated by alkalify and etherify of refining cotton.The degree of replacement of the polynionic cellulosesis was high.The radicals of replacement were distributed evenly.

采用精棉经过碱化、醚化到高取代度且取代基均匀分布离子纤维素产品。

This paper introduces the light gaso line etherify technology,brings fo rward the project of building the light gasoline etherify device on th e catalyst cracking cell in the refin ery plant.

介绍了轻汽油醚化技术,提出了在炼油厂催化裂化单元建设轻汽油醚化装置方案。

O-Benzylhydroxylamine hydrochloride was conveniently prepared by O-benzylation of N-hydroxybenzamide,acidic hydrolysis and salifying with HCl(g).The overall yield was over 76%.

氧芐盐酸盐可通过苯甲肟酸的氧苄醚、酸水解及氯氢成盐制得,总收率76%。

Xanthone was efficiently synthesized from o-chlorobenzoic acid first by etherization and then by Friedel-Crafts reaction in the presence of aluminium trichloride.

以邻氯苯甲酸为原料,先进行醚,再在三氯铝的作用下进行傅-克反应,可洁、高效的合成呫吨酮。

Polynionic celluloses were preparated by alkalify and etherify of refining cotton.The degree of replacement of the polynionic cellulosesis was high.The radicals of replacement were distributed evenly.

采用精制棉经过碱、醚得到高取代度且取代均匀分布的聚阴离子纤维素产品。

This paper introduces the light gaso line etherify technology,brings fo rward the project of building the light gasoline etherify device on th e catalyst cracking cell in the refin ery plant.

介绍了轻汽油醚技术,提出了在炼油厂单元建设轻汽油醚装置的方案。

O-Benzylhydroxylamine hydrochloride was conveniently prepared by O-benzylation of N-hydroxybenzamide,acidic hydrolysis and salifying with HCl(g).The overall yield was over 76%.

氧芐基羟胺盐酸盐可通过苯甲羟肟酸氧苄醚化、酸水解及氯化氢成盐,收率76%。

Xanthone was efficiently synthesized from o-chlorobenzoic acid first by etherization and then by Friedel-Crafts reaction in the presence of aluminium trichloride.

以邻氯苯甲酸为原料,先进行醚化,再在三氯化铝作用下进行傅-克反应,可洁、高效合成呫吨酮。

Polynionic celluloses were preparated by alkalify and etherify of refining cotton.The degree of replacement of the polynionic cellulosesis was high.The radicals of replacement were distributed evenly.

采用精棉经过碱化、醚化到高取代度且取代基均匀分阴离子纤维素产品。

This paper introduces the light gaso line etherify technology,brings fo rward the project of building the light gasoline etherify device on th e catalyst cracking cell in the refin ery plant.

介绍了轻汽油醚化技术,提出了在炼油厂催化裂化单元建设轻汽油醚化装置方案。

O-Benzylhydroxylamine hydrochloride was conveniently prepared by O-benzylation of N-hydroxybenzamide,acidic hydrolysis and salifying with HCl(g).The overall yield was over 76%.

氧芐基羟胺盐酸盐可通过苯甲羟肟酸的氧苄醚化、酸水解及氯化氢盐制得,总收率76%。

Xanthone was efficiently synthesized from o-chlorobenzoic acid first by etherization and then by Friedel-Crafts reaction in the presence of aluminium trichloride.

以邻氯苯甲酸为原料,先醚化,再在三氯化铝的作用下-克反应,可洁、高效的吨酮。

Polynionic celluloses were preparated by alkalify and etherify of refining cotton.The degree of replacement of the polynionic cellulosesis was high.The radicals of replacement were distributed evenly.

采用精制棉经过碱化、醚化得到高取代度且取代基均匀分布的聚阴离子纤维素产品。

This paper introduces the light gaso line etherify technology,brings fo rward the project of building the light gasoline etherify device on th e catalyst cracking cell in the refin ery plant.

介绍了轻汽油醚化技术,提出了在炼油厂催化裂化单元建设轻汽油醚化装置的方案。

O-Benzylhydroxylamine hydrochloride was conveniently prepared by O-benzylation of N-hydroxybenzamide,acidic hydrolysis and salifying with HCl(g).The overall yield was over 76%.

氧芐基羟胺盐酸盐可通过苯甲羟肟酸的氧苄、酸水解及氯氢成盐制得,总收率76%。

Xanthone was efficiently synthesized from o-chlorobenzoic acid first by etherization and then by Friedel-Crafts reaction in the presence of aluminium trichloride.

以邻氯苯甲酸为原料,先进行,再在三氯铝的作用下进行傅-克反应,可洁、高效的合成呫吨酮。

Polynionic celluloses were preparated by alkalify and etherify of refining cotton.The degree of replacement of the polynionic cellulosesis was high.The radicals of replacement were distributed evenly.

采用精制棉经过碱、得到高取代度且取代基均匀分布的聚阴离子纤维素产品。

This paper introduces the light gaso line etherify technology,brings fo rward the project of building the light gasoline etherify device on th e catalyst cracking cell in the refin ery plant.

介绍了轻技术,提出了在炼厂催裂单元建设轻装置的方案。

O-Benzylhydroxylamine hydrochloride was conveniently prepared by O-benzylation of N-hydroxybenzamide,acidic hydrolysis and salifying with HCl(g).The overall yield was over 76%.

氧芐基羟胺盐酸盐可通羟肟酸的氧苄醚化、酸水解及氯化氢成盐制得,总收率76%。

Xanthone was efficiently synthesized from o-chlorobenzoic acid first by etherization and then by Friedel-Crafts reaction in the presence of aluminium trichloride.

以邻氯酸为原料,先进行醚化,再在三氯化铝的作用下进行傅-克反应,可洁、高效的合成呫吨酮。

Polynionic celluloses were preparated by alkalify and etherify of refining cotton.The degree of replacement of the polynionic cellulosesis was high.The radicals of replacement were distributed evenly.

采用精制棉经碱化、醚化得到高取代度且取代基均匀分布的聚阴离子纤维素产品。

This paper introduces the light gaso line etherify technology,brings fo rward the project of building the light gasoline etherify device on th e catalyst cracking cell in the refin ery plant.

介绍了轻汽油醚化技,了在炼油厂催化裂化单元建设轻汽油醚化装置的方案。