JPH01249782A - Potassium salt of organic silicon compound for catalyst having high activity and production thereof - Google Patents

Potassium salt of organic silicon compound for catalyst having high activity and production thereof

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Publication number
JPH01249782A
JPH01249782A JP7458088A JP7458088A JPH01249782A JP H01249782 A JPH01249782 A JP H01249782A JP 7458088 A JP7458088 A JP 7458088A JP 7458088 A JP7458088 A JP 7458088A JP H01249782 A JPH01249782 A JP H01249782A
Authority
JP
Japan
Prior art keywords
potassium salt
formula
catalyst
organosilicon compound
organic silicon
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP7458088A
Other languages
Japanese (ja)
Inventor
Akira Sugimori
杉森 彰
Takeo Akiyama
秋山 武夫
Masaji Kajitani
梶谷 正次
Hiroshi Igarashi
浩史 五十嵐
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Metal Corp
Original Assignee
Mitsubishi Metal Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Metal Corp filed Critical Mitsubishi Metal Corp
Priority to JP7458088A priority Critical patent/JPH01249782A/en
Publication of JPH01249782A publication Critical patent/JPH01249782A/en
Pending legal-status Critical Current

Links

Abstract

NEW MATERIAL:A compound expressed by formula I. USE:A raw material for an organic lanthanide complex having high catalytic activity. The catalyst is useful for polymerization of ethylene and hydrogenation of various kind of olefins. PREPARATION:An organic silicon compound (preferably bisfluorenyldimethylsilane expressed by formula II) having cyclopentadinyl ring is dissolved in THF and the resultant solution is added to a suspension of potassium hydride and the mixture is stirred under ambient temperature. After 20hr, the suspension is filtered and THF is separated from the filtrate by distillation and the residue is recovered and cleaned using diethyl ether to provide the compound expressed by formula I.

Description

【発明の詳細な説明】 〔産業上の利用分野〕 本発明はエチレンの重合や各種オレフィンの水素化に高
度な触媒活性を示す物質として重要な有機ランタノイド
水素化物の原料となる有機珪素化合物塩とその製造方法
に関する。
[Detailed Description of the Invention] [Field of Industrial Application] The present invention relates to organic silicon compound salts, which are raw materials for organic lanthanide hydrides, which are important substances that exhibit high catalytic activity in the polymerization of ethylene and the hydrogenation of various olefins. It relates to its manufacturing method.

〔従来技術とその課題〕[Conventional technology and its issues]

近年エチレンの重合や各種オレフィンの水素化に関し、
従来の常識を破った高度な触媒活性を示す有機ランタノ
イド触媒が見出されている。(公表特許公報昭和62−
502750号および、ジャーナルオブアメリカンケミ
カルソサイエティ 1985年第107巻8091〜8
118頁) この新規触媒は下記(1)の構造を有する一般式((C
I(3)2st (η’−(C)Ia)*C5)JH)
zにて表わされる、ビス(テトラメチルシクロペンタジ
ェニル)ジメチルシリルランタノイドヒドリド錯体であ
る。
In recent years, regarding the polymerization of ethylene and the hydrogenation of various olefins,
Organic lanthanide catalysts have been discovered that exhibit high catalytic activity that goes beyond conventional wisdom. (Published Patent Publication 1986-
502750 and Journal of American Chemical Society 1985 Vol. 107 8091-8
(page 118) This new catalyst has the general formula ((C
I(3)2st (η'-(C)Ia)*C5)JH)
It is a bis(tetramethylcyclopentadienyl)dimethylsilyllanthanoid hydride complex represented by z.

(M=ランタノイド金1、Me =+−CH5)化合物
(1)においては配位子として下記(A)の構造を有す
るものが用いられており、そのシクロペンタジェニル環
(Cp)の置換基により高度な触媒活性を示すものと考
えられる。そこで、該置換基を変えることにより更に高
度の触媒活性を付与し得ることが期待される。
(M = lanthanoid gold 1, Me = +-CH5) In compound (1), a ligand having the following structure (A) is used, and the substituent of its cyclopentagenyl ring (Cp) It is considered that the catalytic activity is higher due to the higher catalytic activity. Therefore, it is expected that a higher level of catalytic activity can be imparted by changing the substituents.

〔発明の構成〕[Structure of the invention]

本発明者は、上記触媒の改良を試み、上記シクロペンタ
ジェニル環に代えて下記CB)に示すフルオレン環を有
する配位子を持つものが高い触媒活性を有することを見
呂した。
The present inventor attempted to improve the above catalyst and found that one having a ligand having a fluorene ring as shown in CB) below in place of the cyclopentadienyl ring had high catalytic activity.

また上記シクロペンタジェニル環を有する有機珪素化合
物および上記フルオレン環を有する有機珪素化合物のア
ニオン化について、これら有機珪素化合物をテトラヒド
ロフラン中で水素化カリウムを反応させることにより容
易にアニオン化できることを見出した。
Furthermore, regarding the anionization of the above-mentioned organosilicon compounds having a cyclopentadienyl ring and the above-mentioned organosilicon compounds having a fluorene ring, it has been found that these organosilicon compounds can be easily anionized by reacting them with potassium hydride in tetrahydrofuran. .

本発明によれば。According to the invention.

構造式 で表わされ、高触媒活性有機金属錯体の原料として用い
られる有機珪素化合物のカリウム塩が提供される。
A potassium salt of an organosilicon compound represented by the structural formula and used as a raw material for a highly catalytically active organometallic complex is provided.

また本発明によれば、シクロペンタジェニル環を有する
有機珪素化合物をテトラヒドロフラン中で水素化カリウ
ムと反応させることにより、該有機珪素化合物のカリウ
ム塩を製造する方法が提供される。
Further, according to the present invention, there is provided a method for producing a potassium salt of an organosilicon compound having a cyclopentadienyl ring by reacting the organosilicon compound with potassium hydride in tetrahydrofuran.

また上記製造方法の好適な態様として上記有機珪素化合
物として、ビスフルオレニルジメチルシランを用い上記
構造式の有機珪素化合物カリウム塩を製造する方法が提
供される。
Further, as a preferred embodiment of the above production method, there is provided a method for producing an organosilicon compound potassium salt having the above structural formula using bisfluorenyldimethylsilane as the organosilicon compound.

下記の構造式で表わされるビスフルオレニルジメチルシ
ランについて、 その触媒活性作用に注目し、これを高活性触媒の原料に
利用する試みは従来全く行われていない。
Regarding bisfluorenyldimethylsilane represented by the structural formula below, no attempt has been made to focus on its catalytic activity and to utilize it as a raw material for highly active catalysts.

本発明において、上記ビスフルオレニルジメチルシラン
のCp部位をアニオン化して高活性触媒の原料とするこ
とが試みられた。
In the present invention, an attempt was made to anionize the Cp site of the bisfluorenyldimethylsilane and use it as a raw material for a highly active catalyst.

該アニオン化方法について、前述の文献には。The anionization method is described in the above-mentioned literature.

ビステトラメチルシクロペンタジェニルシラン(Me2
Si(Me4C,H))をテトラヒドロフラン中でノル
マルブチルリチウム(n−BuLi)と反応させそのリ
チウム塩を製造することが開示されている。然し乍らこ
のアニオン化方法はその反応時間が約48時間と長い。
Bistetramethylcyclopentadienylsilane (Me2
It is disclosed that Si(Me4C,H)) is reacted with n-butyllithium (n-BuLi) in tetrahydrofuran to produce its lithium salt. However, this anionization method requires a long reaction time of about 48 hours.

本発明のアニオン化方法は、シクロペンタジェニル環(
Cp)を有する有機珪素化合物をテトラヒドロフラン中
で水素化カリウムと反応させることにより、該有機珪素
化合物のCp部位をアニオン化し、そのカリウム塩を得
る。具体的には、Me2Si(Me4csH)z をテ
トラヒドロフランに溶解し、該液を水素化カリウムの懸
濁液に加え、室温下で攪拌する。約20時間後に懸濁液
を濾過し、濾液からテトラヒドロフランを蒸留分離し、
残留物を回収後。
The anionization method of the present invention comprises a cyclopentagenyl ring (
By reacting an organosilicon compound having Cp) with potassium hydride in tetrahydrofuran, the Cp site of the organosilicon compound is anionized to obtain its potassium salt. Specifically, Me2Si(Me4csH)z is dissolved in tetrahydrofuran, the solution is added to a suspension of potassium hydride, and the mixture is stirred at room temperature. After about 20 hours, the suspension was filtered, and tetrahydrofuran was distilled off from the filtrate.
After collecting the residue.

ジエチルエーテルを用いて洗浄することにより上記化合
物のカリウム塩を得る。
The potassium salt of the above compound is obtained by washing with diethyl ether.

本発明のアニオン化方法はシクロペンタジェニル環を有
する有機珪素化合物に広く適用できる。
The anionization method of the present invention can be widely applied to organosilicon compounds having a cyclopentadienyl ring.

上記アニオン化方法によりビスフルオレニルジメチルシ
ランをアニオン化して上記構造式(C)のカリウム塩を
得る。
Bisfluorenyldimethylsilane is anionized by the above anionization method to obtain the potassium salt of the above structural formula (C).

〔発明の効果〕〔Effect of the invention〕

本発明の有機珪素化合物カリウム塩を原料として用いる
ことにより高度の触媒活性を有する有機ランタノイド錯
体を製造することができる。
By using the organosilicon compound potassium salt of the present invention as a raw material, an organo-lanthanide complex having a high degree of catalytic activity can be produced.

また本発明のアニオン化方法によれば、従来方法より大
幅に反応時間を短縮できる。−例として従来n−BuL
iを用いたアニオン化方法は約40時間の反応時間を要
しているが1本発明の水素化カリウムを用いる方法では
約20時間の反応時間で足りる。
Furthermore, according to the anionization method of the present invention, the reaction time can be significantly shortened compared to conventional methods. -For example, conventional n-BuL
The anionization method using i requires a reaction time of about 40 hours, but the method using potassium hydride of the present invention requires a reaction time of about 20 hours.

実施例1 〈ビスフルオレニルジメチルシランの合成〉フルオレン
20.45g(0,123モル)を溶解したテトラヒド
ロフラン(以下THF)溶液250cm3に濃度1.5
4Mのn−BuLiヘキサン溶液80cm3(n−Bu
Li; 0.123モル)を室温でゆっくり滴下した0
滴下後1時間攪拌し。
Example 1 <Synthesis of bisfluorenyldimethylsilane> A concentration of 1.5 was added to 250 cm3 of a tetrahydrofuran (THF) solution in which 20.45 g (0,123 mol) of fluorene was dissolved.
80 cm3 of 4M n-BuLi hexane solution (n-Bu
Li; 0.123 mol) was slowly added dropwise at room temperature.
After dropping, stir for 1 hour.

濃赤色になったフルオレンアニオン溶液にジクロロジメ
チルシラン7.4cm’ (0,0616モル)を50
cm’のTHFに希釈した溶液をゆっくり滴下した。2
日間加熱還流後、溶媒を除去し生成物をヘキサンで抽出
した。このヘキサン溶液を約60cm’ に濃縮し。
Add 7.4 cm' (0,0616 mol) of dichlorodimethylsilane to the deep red fluorene anion solution.
cm' of THF diluted solution was slowly added dropwise. 2
After heating under reflux for 1 day, the solvent was removed and the product was extracted with hexane. This hexane solution was concentrated to about 60 cm'.

再結晶し精製した。It was recrystallized and purified.

得られた結晶を元素分析、赤外、N M R1質量分析
によって検定したところC,86,55; H,6,1
3;Si、 7.32(重量%)であり、またマススペ
クトルは図示の通りであった。この結果によりCziH
2+SLが合成されたことを確認した。
The obtained crystal was tested by elemental analysis, infrared, and NMR1 mass spectrometry, and found to be C, 86,55; H, 6,1
3; Si, 7.32 (wt%), and the mass spectrum was as shown. Based on this result, CziH
It was confirmed that 2+SL was synthesized.

くビスフルオレニルジメチルシランアニオンカリウム塩
の合成〉 上述の方法で得られた結晶1.940g(5ミリモル)
を含むTHF溶液10cm”を、水素化カリウム0.4
01g(10ミリモル)を愚濁させた10cm’のTH
Fに加え、室温で20時間攪拌した。
Synthesis of bisfluorenyldimethylsilane anion potassium salt> 1.940 g (5 mmol) of crystals obtained by the above method
10 cm of THF solution containing 0.4 cm of potassium hydride
10cm' of TH that made 01g (10 mmol) cloudy
F and stirred at room temperature for 20 hours.

溶液は褐色を帯びた乳白色懸濁液になった。The solution became a brownish milky suspension.

この懸濁液を濾過し、濾液からT旺を減圧蒸留により除
去した残留物をジエチルエーテルを用いて洗浄し、再結
晶して1.392gの結晶を得た(収率60%)。
This suspension was filtered, and the residue was washed with diethyl ether and recrystallized to obtain 1.392 g of crystals (yield: 60%).

赤外、NMR1質量分析によってこの物質はc26 H
2□5iK2であることを確認した。
Infrared, NMR1 mass spectrometry reveals that this material is c26 H
I confirmed that it was 2□5iK2.

実施例2 (、’le、 Sl (N84 C,X )Jの合成〉
ビス(2,3,4,5−テトラメチルシクロペンタジェ
ニル)ジメチルシラン(NezSi(Ma4CgH)J
 と水素化カリウムの反応による上記化合物のカリウム
塩Me2Si(Me4C,K)、の合成を試みた。
Example 2 (Synthesis of ,'le,Sl(N84C,X)J)
Bis(2,3,4,5-tetramethylcyclopentadienyl)dimethylsilane (NezSi(Ma4CgH)J
An attempt was made to synthesize the potassium salt of the above compound, Me2Si(Me4C,K), by the reaction of Me2Si(Me4C,K) and potassium hydride.

水素化カリウム0.6721g(16,フロミリモル)
を懸濁させたT)IF10cm’に、Me、SL(Me
、C,H)= 2.5139g(8,380ミリモル)
のTHF溶液10cm3を加え、室温で20時間攪拌し
た6反応は定量的に進行しMe!SL(Me4CsK)
=8.38ミリモルが単離された。
Potassium hydride 0.6721g (16, fromimole)
Me, SL (Me
, C, H) = 2.5139g (8,380 mmol)
6 reaction proceeded quantitatively by adding 10 cm3 of THF solution of Me! and stirring at room temperature for 20 hours. SL(Me4CsK)
=8.38 mmol isolated.

【図面の簡単な説明】[Brief explanation of the drawing]

図は実施例1で合成したビスフルオレニルジメチルシラ
ンのマススペクトルである。 特許出願人 三菱金属株式□会社 代理人 弁理士松井政広(外1名) 四〇    300   350   400M/E手
続補正書 昭和63年7月11日 特許庁長官  吉 1)文毅  殿 1、事件の表示 昭和63年 特 許 願第074580号2、発明の名
称 3、補正をする者 事件との関係 特許出願人 名称 (626)呉菱金属株式会社 4、代理人(〒164) 住 所 東京都中野区本町1丁目31番4号シティーハ
イムコスモ1003号室 電話(03)373−5571(代)
The figure is a mass spectrum of bisfluorenyldimethylsilane synthesized in Example 1. Patent applicant: Mitsubishi Metals Co., Ltd. Company agent: Patent attorney Masahiro Matsui (1 other person) 40 300 350 400 M/E procedural amendment July 11, 1988 Commissioner of the Japan Patent Office Yoshi 1) Bunki Tono 1, Indication of the case 1986 Patent Application No. 074580 2, Title of the invention 3, Relationship with the case of the person making the amendment Patent applicant name (626) Kureki Kinzoku Co., Ltd. 4, Agent (164) Address Nakano-ku, Tokyo Honmachi 1-31-4 City Heim Cosmo Room 1003 Telephone: (03) 373-5571 (Main)

Claims (1)

【特許請求の範囲】 1、構造式 ▲数式、化学式、表等があります▼ で表わされ、高触媒活性有機金属錯体の原料として用い
られる有機珪素化合物のカリウム塩。 2、シクロペンタジエニル環を有する有機珪素化合物を
テトラヒドロフラン中で水素化カリウムと反応させるこ
とにより、該有機珪素化合物のカリウム塩を製造する方
法。 3、上記有機珪素化合物として、ビスフルオレニルジメ
チルシランを用い、第1請求項の有機珪素化合物カリウ
ム塩を製造する方法。
[Claims] 1. A potassium salt of an organosilicon compound represented by the structural formula ▲ Numerical formula, chemical formula, table, etc. ▼ and used as a raw material for a highly catalytically active organometallic complex. 2. A method for producing a potassium salt of an organosilicon compound having a cyclopentadienyl ring by reacting the organosilicon compound with potassium hydride in tetrahydrofuran. 3. A method for producing the organosilicon compound potassium salt according to claim 1, using bisfluorenyldimethylsilane as the organosilicon compound.
JP7458088A 1988-03-30 1988-03-30 Potassium salt of organic silicon compound for catalyst having high activity and production thereof Pending JPH01249782A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7458088A JPH01249782A (en) 1988-03-30 1988-03-30 Potassium salt of organic silicon compound for catalyst having high activity and production thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7458088A JPH01249782A (en) 1988-03-30 1988-03-30 Potassium salt of organic silicon compound for catalyst having high activity and production thereof

Publications (1)

Publication Number Publication Date
JPH01249782A true JPH01249782A (en) 1989-10-05

Family

ID=13551252

Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Status (1)

Country Link
JP (1) JPH01249782A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5786495A (en) * 1995-03-03 1998-07-28 Montell Technology Company Bv Bridged bis-fluorenyl metallocenes, process for the preparation thereof and use thereof in catalysts for the polymerization of olefins
EP0604908B1 (en) * 1992-12-30 2001-09-19 Basell Technology Company B.V. Process for the polymerisation of alpha-olefins using metallocene compounds having ligands of fluorenylic type
CN108598196A (en) * 2018-04-19 2018-09-28 山东冬瑞高新技术开发有限公司 A kind of high-weatherability solar cell backboard and preparation method thereof

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0604908B1 (en) * 1992-12-30 2001-09-19 Basell Technology Company B.V. Process for the polymerisation of alpha-olefins using metallocene compounds having ligands of fluorenylic type
US5786495A (en) * 1995-03-03 1998-07-28 Montell Technology Company Bv Bridged bis-fluorenyl metallocenes, process for the preparation thereof and use thereof in catalysts for the polymerization of olefins
US6054404A (en) * 1995-03-03 2000-04-25 Montell Technology Company Bv Bridged bis-fluorenyl metallocenes, process for the preparation thereof and use thereof in catalysts for the polymerization of olefins
US6365764B1 (en) * 1995-03-03 2002-04-02 Basell Technology Company Bv Bridged bis-fluorenyl metallocenes process for the preparation thereof and use thereof in catalysts for the polymerization of olefins
CN108598196A (en) * 2018-04-19 2018-09-28 山东冬瑞高新技术开发有限公司 A kind of high-weatherability solar cell backboard and preparation method thereof

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