CAS: 182121-12-6; 9,9-Bis(Methoxymethyl)-9H-Fluorene

上下游产品

9H-芴-9,9-二甲醇 9,9-Bis(Hydroxymethyl)Fluorene 4425-93-8

9H-芴-9,9-二甲醇置于ch3I,Nah体系中,用 四氢呋喃,水,Mineral Oil 用作溶剂,以90%的收率获得9,9-双(甲氧基甲基)芴
参考文献:Diethers Suitable For Use In The Preparation Of Ziegler-Natta Catalysts
标题:Diethers Suitable For Use In The Preparation Of Ziegler-Natta Catalysts
摘要:适用于制备ziegler-Natta催化剂的二醚的化学式:其中a,B,C和d是碳原子或杂原子,V,X和y为0或1;U和z为0,1或2;基团r和ri,相同或不同,为h;卤素;线性或支链烷基基团;环烷基,芳基,烷基芳基和芳基烷基基团;Rii基团,相同或不同,为线性或支链烷基基团;环烷基,芳基,烷基芳基和芳基烷基基团;至少两个r基团可以相互连接形成饱和或不饱和的缩合环结构,可选择地用riii基团取代,所述ri到riii基团可含有至少一个杂原子.

专利信息

专利号:US-10081586-B2
优先权日:2015-06-01
标题:Process for the synthesis of 9,9-bis(methoxymethyl)fluorene
发明人：SAINANI JAIPRAKASH BRIJLAL
权利人:SABIC GLOBAL TECHNOLOGIES BV
摘要:The present invention relates to a novel process for the synthesis of 9,9-bis(methoxymethyl)fluorene. The syntheses from fluorene to 9,9-bis(hydroxymethyl)fluorene via a hydroxymethylation and further to 9,9-bis(methoxymethyl)fluorene via a etherification are known. 9,9-bis(methoxymethyl)fluorene is a compound that is used as an electron donor for Ziegler-Natta catalysts. The present invention is related to an improvement in the synthesis of 9,9-bis(methoxymethyl)fluorene leading to a decrease in the amount of solvent used and an easier work up while achieving high yield and purity.

专利号:US-10138187-B2
优先权日:2015-06-01
标题 :Process for the synthesis of 9,9-bis(hydroxymethyl)fluorene
发明人：SAINANI JAIPRAKASH BRIJLAL
权利人:SABIC GLOBAL TECHNOLOGIES BV
摘要:The present invention relates to a novel process for the synthesis of 9,9-bis(hydroxymethyl)fluorene. The syntheses from fluorene to 9,9-bis(hydroxymethyl)fluorene via a hydroxymethylation and further to 9,9-bis(methoxymethyl)fluorene via a etherification are known. 9,9-bis(methoxymethyl)fluorene is a compound that is used as an electron donor for Ziegler-Natta catalysts. The present invention is related to an improvement in the synthesis of 9,9-bis(hydroxymethyl)fluorene leading to a decrease in the amount of solvent used and an easier work up while achieving high yield and purity.

专利号:US-10570073-B2
优先权日:2016-09-02
标 题 :Process for the synthesis of 9,9-bis(hydroxymethyl)fluorene
发明人：SAINANI JAIPRAKASH BRIJLAL
权利人:SABIC GLOBAL TECHNOLOGIES BV
摘要:The present invention relates to a novel process for the synthesis of 9,9-bis(hydroxymethyl)fluorene. The syntheses from fluorene to 9,9-bis(hydroxy-methyl)fluorene via a hydroxymethylation and further to 9,9-bis(methoxymethyl)-fluorene via a etherification are known. 9,9-bis(methoxymethyl)fluorene is a compound that is used as an electron donor for Ziegler-Natta catalysts. The present invention is related to an improvement in the synthesis of 9,9-bis(hydroxymethyl)fluorene leading to a decrease in the amount of solvent used and an easier work up while achieving high yield and purity.

专利号:US-10611864-B2
优先权日:2015-09-22
标 题:Synthesis of substituted amidobenzoate compounds, the compounds obtained and the use thereof as phthalate free internal electron donor for polymerization of olefins
发明人：ZUIDEVELD MARTIN ALEXANDER; SAINANI JAIPRAKASH BRIJLAL; AL-HUMAIDAN OSAMAH; PADMANABHAN SUDHAKAR R; SHINGE PRASHANT SUKUMAR; SHETTY SHARANKUMAR G; SHAIKH ABBAS-ALLI GHUDUBHAI
权利人:SABIC GLOBAL TECHNOLOGIES BV
摘要:The present invention relates to a compound according to Formula (I) wherein R 1 is a hydrocarbyl group selected from the group consisting of alkyl, alkenyl, aryl, aralkyl, and alkylaryl groups, and one or more combinations thereof; wherein R 2 is a hydrogen atom, an aryl group or an alkyl group; and wherein R 3 , R 4 , R 5 and R 6 , are the same or different and are each independently a hydrogen atom, a halogen atom, a cyano group, an amino group, a hydrocarbyl group selected from the group consisting of alkyl, alkenyl, aryl, aralkyl, and alkylaryl groups or an alkoxy group, and one or more combinations thereof as internal electron donor and to a process for the synthesis of a compound according to Formula (I), wherein R 1 is a hydrocarbyl group selected from the group consisting of alkyl, alkenyl, aryl, aralkyl, alkoxycarbonyl and alkylaryl groups, and one or more combinations thereof; wherein R 2 is a hydrogen atom or an alkyl group; wherein R 3 , R 4 , R 5 and R 6 , are the same or different and are each independently selected from a group consisting of a hydrogen atom; a hydrocarbyl, preferably, said process comprising the step of reacting a compound according to Formula (II) [R 1 —C(â•?O)Cl] with a compound according to Formula (III) to obtain the compound according to Formula (I) and to the use of these compounds as internal donor in Ziegler-Natta catalysis of lefins.

专利号:US-9896523-B2
优先权日:2015-06-26
标题 :Ziegler-Natta catalyst synthesis and process thereof
发明人：SINGH GURMEET; KUMAR NARESH; KAUR SUKHDEEP; BANTU BHASKER; KAPUR GURPREET SINGH; SHASHIKANT
权利人:INDIAN OIL CORP LTD
摘要:The present invention describes a process of preparing a catalyst for olefin polymerization comprising: (i) treating a magnesium metal with an organohalide along with an internal donor to obtain a reaction mixture having solid component (A); (ii) treating the reaction mixture having solid component (A) with an acyl halide to obtain a reaction mixture having solid component (B); and (iii) treating the reaction mixture having solid component (B) of step (ii) with a transition metal compound to obtain the catalyst. The present invention also relates to a process for preparation of a catalyst system from said catalyst and preparation of a polyolefins from the catalyst system.

专利号:US-2019194104-A1
优先权日:2016-09-02
标 题:Process for the synthesis of 9,9-bis(hydroxymethyl)fluorene