| 发明名称 |
Preparation of 2,6-dialkyl-naphthalenes |
| 摘要 |
A process for the preparation of 2,6-dialkyl-naphthalenes comprising selectively alkylating naphthalene or 2-alkyl-naphthalene with alkylating agent in the presence of a zeolite catalyst at 250 DEG to 345 DEG C. which dialkyl-naphthalenes are useful for the preparation of naphthalene 2,6-dicarboxylic acid used to produce high-quality polyesters or polyamides.
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| 申请公布号 |
US4795847(A) |
申请公布日期 |
1989.01.03 |
| 申请号 |
US19880151697 |
申请日期 |
1988.02.02 |
| 申请人 |
RUTGERSWERKE AKTIENGESELLSCHAFT |
发明人 |
WEITKAMP, JENS;NEUBER, MARITA;HOELTMANN, WILHELM;COLLIN, GERD;SPENGLER, HANS |
| 分类号 |
B01J29/06;B01J29/40;C07B61/00;C07C1/00;C07C2/66;C07C2/86;C07C15/24;C07C67/00;(IPC1-7):C07C2/68 |
主分类号 |
B01J29/06 |
| 代理机构 |
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