公开(公告)号：KR100443261B1

公开(公告)日：2004-08-04

申请号：KR1020020004787

申请日：2002-01-28

Applicant: 한국화학연구원

Inventor： 박상언 ,  이철위 ,  장종산 ,  박중남 ,  최광식 ,  정한철 ,  황효윤

IPC: B01J23/78 ,  B01J29/076

Abstract: PURPOSE: A noble porous catalyst which is used as catalyst in hydroxylation of phenol using hydrogen peroxide as oxidizer to enable selective synthesis of catechol is provided. CONSTITUTION: In a catalyst applied to a process for synthesizing dihydroxybenzene by oxidizing phenol with hydrogen peroxide, the porous catalyst for selective synthesis of catechol is characterized in that ions of transition metal (M1) and ions of another metal (M2) selected from alkali metal, alkaline earth metal and a mixture thereof are simultaneously ion exchanged in porous molecular body of aluminosilicate by the catalyst, wherein the porous molecular body has pore size of at least 7 to 200 Å and Si/Al ratio of 1 to 200, wherein the porous molecular body is selected from HX type, HY type, USHY type, HBEA type, MCM-41, MCM-48 and SBA-15, wherein the transition metal (M1) is one or two metals selected from iron, copper, manganese and cobalt, wherein the transition metal (M1) has an ion exchange ratio of 50 to 90%, and wherein the metal (M2) selected from alkali metal, alkaline earth metal and a mixture thereof has an ion exchange ratio of 5 to 20%.

Abstract translation: 目的：提供一种贵重多孔催化剂，其用作使用过氧化氢作为氧化剂的苯酚羟基化的催化剂，以实现儿茶酚的选择性合成。 本发明涉及一种用于通过用过氧化氢氧化苯酚来合成二羟基苯的方法中使用的催化剂，用于选择性合成儿茶酚的多孔催化剂的特征在于过渡金属（M1）的离子和选自碱金属 碱土金属及其混合物在催化剂的作用下在硅铝酸盐多孔分子体中同时进行离子交换，其中多孔分子体的孔径至少为7-200埃Aring; 和Si / Al比为1至200，其中多孔分子体选自HX型，HY型，USHY型，HBEA型，MCM-41，MCM-48和SBA-15，其中过渡金属（M1）为 一种或两种选自铁，铜，锰和钴的金属，其中过渡金属（M1）的离子交换率为50-90％，其中选自碱金属，碱土金属和混合物的金属（M2） 其离子交换率为5〜20％。

公开(公告)号：KR100288122B1

公开(公告)日：2001-05-02

申请号：KR1019980057206

申请日：1998-12-22

Applicant: 한국화학연구원

Inventor： 박상언 ,  유중환 ,  이철위 ,  박용기 ,  장종산 ,  이영철 ,  최광식

IPC: C07C39/06

Abstract: 본 발명은 하이드록시화 방향족 화합물의 알킬화 방법에 관한 것으로서, 더욱 상세하게는 산성도와 동공의 크기가 적절히 선택/조절된 다공성 고체산 촉매상에서 올레핀이나 알콜을 이용하여 50 ∼ 200℃ 및 1 ∼ 20 기압의 조건하에서 하이드록시화 방향족 화합물의 알킬화를 수행하여 기존의 균일 촉매계에 의한 액상 알킬화 반응이 갖는 단점을 극복하고, 높은 선택도와 전환율로 하이드록시화 방향족 화합물을 알킬화하는 방법에 관한 것이다.

公开(公告)号：KR1020030064478A

公开(公告)日：2003-08-02

申请号：KR1020020004787

申请日：2002-01-28

Applicant: 한국화학연구원

Inventor： 박상언 ,  이철위 ,  장종산 ,  박중남 ,  최광식 ,  정한철 ,  황효윤

IPC: B01J23/78 ,  B01J29/076

CPC classification number: B01J29/146 ,  B01J29/76 ,  B01J29/78 ,  B01J35/1052

Abstract: PURPOSE: A noble porous catalyst which is used as catalyst in hydroxylation of phenol using hydrogen peroxide as oxidizer to enable selective synthesis of catechol is provided. CONSTITUTION: In a catalyst applied to a process for synthesizing dihydroxybenzene by oxidizing phenol with hydrogen peroxide, the porous catalyst for selective synthesis of catechol is characterized in that ions of transition metal (M1) and ions of another metal (M2) selected from alkali metal, alkaline earth metal and a mixture thereof are simultaneously ion exchanged in porous molecular body of aluminosilicate by the catalyst, wherein the porous molecular body has pore size of at least 7 to 200 Å and Si/Al ratio of 1 to 200, wherein the porous molecular body is selected from HX type, HY type, USHY type, HBEA type, MCM-41, MCM-48 and SBA-15, wherein the transition metal (M1) is one or two metals selected from iron, copper, manganese and cobalt, wherein the transition metal (M1) has an ion exchange ratio of 50 to 90%, and wherein the metal (M2) selected from alkali metal, alkaline earth metal and a mixture thereof has an ion exchange ratio of 5 to 20%.

Abstract translation: 目的：提供一种贵重的多孔催化剂，其用作使用过氧化氢作为氧化剂的苯酚羟化反应的催化剂，以能够选择性合成儿茶酚。 构成：在用于通过用过氧化氢氧化苯酚来合成二羟基苯的方法中的催化剂中，用于选择性合成邻苯二酚的多孔催化剂的特征在于过渡金属离子（M1）和另一种金属离子（M2）选自碱金属 ，碱土金属及其混合物通过催化剂在硅铝酸盐的多孔分子体中同时离子交换，其中多孔分子体的孔径为至少7〜200，Si / Al比为1〜200，其中多孔 分子体选自HX型，HY型，USHY型，HBEA型，MCM-41，MCM-48和SBA-15，其中过渡金属（M1）为选自铁，铜，锰和钴中的一种或两种金属 其中，过渡金属（M1）的离子交换比为50〜90％，其中，选自碱金属，碱土金属及其混合物的金属（M2）的离子交换率为5〜20％。

公开(公告)号：KR1020000041349A

公开(公告)日：2000-07-15

申请号：KR1019980057206

申请日：1998-12-22

Applicant: 한국화학연구원

Inventor： 박상언 ,  유중환 ,  이철위 ,  박용기 ,  장종산 ,  이영철 ,  최광식

IPC: C07C39/06

Abstract: PURPOSE: A method for alkylating a hydroxylated aromatic compound is provided which shows a good selectivity and conversion rate. CONSTITUTION: In the method for alkylating a hydroxylated aromatic compound, the alkylation reaction is performed under the conditions of: (i) the molar ratio of silica(SiO2) to alumina(Al2O3) of 1-100; (ii) under porous solid acid catalyst having a pore size of 2-20 angstrom; (iii) at a temperature of 50-200°C; and (iv) under pressure of 1-20, wherein the hydroxylated aromatic compound is either a monohydroxylated aromatic compound such as phenol or a dihydroxylated aromatic compound such as catechol and an alkylating reagent of the alkylation reaction is either an olefin compound having 3-6 carbon atoms such as isobutylene or an alcohol such as tertiary butanol.

Abstract translation: 目的：提供一种烷基化羟基化芳族化合物的方法，显示出良好的选择性和转化率。 构成：在羟基化芳族化合物的烷基化方法中，烷基化反应在以下条件下进行：（i）二氧化硅（SiO 2）与氧化铝（Al 2 O 3）的摩尔比为1-100; （ii）在孔径为2-20埃的多孔固体酸催化剂下; （iii）温度为50-200℃; 和（iv）在1-20的压力下，其中羟基化芳族化合物是单羟基化芳族化合物如苯酚或二羟基化芳族化合物如儿茶酚和烷基化反应的烷基化试剂是具有3-6 碳原子如异丁烯或醇如叔丁醇。