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%.

芐基羟胺盐酸盐可通过苯甲羟肟酸的化、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.

采用精制棉经过碱化、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.

介绍油化技术,提出在炼油厂催化裂化单元建设油化装置的方案。

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%.

氧芐基羟胺通过苯甲羟肟的氧苄醚化、水解及氯化氢成制得,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.

以邻氯苯甲为原料,先进行醚化,再三氯化铝的作用下进行傅-克反应,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.

介绍了轻汽醚化技术,提出了厂催化裂化单元建设轻汽醚化装置的方案。

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.

介绍了轻汽油技术,提出了在炼油厂催裂单元建设轻汽油置的方案。

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傅-克反应,可洁、高效的合酮。

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醚、酸水解及氢成盐得,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.

以邻苯甲酸为原料,先进行醚,再在三的作用下进行傅-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.

采用经过碱、醚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.

介绍了轻汽油醚技术,提出了在炼油厂催裂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%.

氧芐基羟胺盐酸盐可通过苯甲羟肟酸的氧苄醚化、酸氯化氢成盐制得,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、醚化得到高取代度且取代基均匀分布的聚阴离子纤维。

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,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、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.

介绍了轻汽油技术,提出了在炼油厂催裂单元建设轻汽油装置的方案。

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醚、酸水解及氯盐制得,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基均匀分布的聚阴维素产品。

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,提出了在炼油厂催裂单元建设轻汽油醚装置的方案。