JPH085818B2 - Method for producing chlorocyclopropane - Google Patents
Method for producing chlorocyclopropaneInfo
- Publication number
- JPH085818B2 JPH085818B2 JP2413779A JP41377990A JPH085818B2 JP H085818 B2 JPH085818 B2 JP H085818B2 JP 2413779 A JP2413779 A JP 2413779A JP 41377990 A JP41377990 A JP 41377990A JP H085818 B2 JPH085818 B2 JP H085818B2
- Authority
- JP
- Japan
- Prior art keywords
- chlorocyclopropane
- dichloropropane
- reaction
- crystalline aluminosilicate
- producing
- 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.)
- Expired - Fee Related
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
Landscapes
- Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、１，２−ジクロルプロ
パンの接触脱塩化水素反応によるクロルシクロプロパン
の製造方法に関する。TECHNICAL FIELD The present invention relates to a process for producing chlorocyclopropane by catalytic dehydrochlorination of 1,2-dichloropropane.
【０００２】[0002]
【従来の技術】従来、クロルシクロプロパンは、１，３
−ジハロプロパン（主に、１，３−ジブロモプロパン）
をナトリウム、亜鉛などの縮合剤を用いて、脱ハロゲン
環化させてシクロプロパンを製造し、さらに、このシク
ロプロパンを、光照射下で塩素と反応させて製造される
ことが知られていた。2. Description of the Related Art Conventionally, chlorocyclopropane is 1,3
-Dihalopropane (mainly 1,3-dibromopropane)
It has been known that cyclohexane is produced by dehalogenation cyclization using a condensing agent such as sodium or zinc to produce cyclopropane, and the cyclopropane is reacted with chlorine under light irradiation.
【０００３】[0003]
【発明が解決しようとする課題】しかしながら、原料の
１，３−ジハロプロパン１，３−プロパンジオール、ハ
ロゲン化アリル、１，３−ジハロプロペンなどから誘導
しなければならず、入手が困難である。However, it has to be derived from 1,3-dihalopropane 1,3-propanediol, allyl halide, 1,3-dihalopropene, etc., which are raw materials, and is difficult to obtain. .
【０００４】さらに、シクロプロパンの塩素化反応で
は、１，１−ジクロルシクロプロパン、１，２−ジクロ
ルシクロプロパンなどが副生し、クロルシクロプロパン
の収率が低いという問題があった。Further, in the chlorination reaction of cyclopropane, there is a problem that the yield of chlorocyclopropane is low because 1,1-dichlorocyclopropane, 1,2-dichlorocyclopropane and the like are by-produced.
【０００５】[0005]
【課題を解決するための手段】本発明者等は、クロルシ
クロプロパンの製造方法について、鋭意研究を重ねた結
果、結晶性アルミノケイ酸塩の存在下で１，２−ジクロ
ルプロパンを脱塩化水素反応させることにより、クロル
シクロプロパンを製造し得ることを見いだし、本発明を
完成するに至った。Means for Solving the Problems The inventors of the present invention have conducted extensive studies on a method for producing chlorocyclopropane, and as a result, dehydrochlorinated 1,2-dichloropropane in the presence of crystalline aluminosilicate. It was found that chlorcyclopropane can be produced by the reaction, and the present invention has been completed.
【０００６】本発明は、一般式 R2O ・nR′O ・ xNa2O ・ Al2O3 ・ ySiO2 ・ zH2O （ただし、ＲはNaを除くアルカリ金属、Ｒ′はアルカリ
土類金属、ｍは０〜0.２、ｎは０〜0.２、ｘは0.８〜1.
２、ｙは1.７〜2.０、ｚは４〜７の数を表わし、ｍ＋ｎ
は０〜0.２である。）で示される結晶性アルミノケイ酸
塩の存在下に、１，２−ジクロルプロパンを加熱するこ
とを特徴とするクロルシクロプロパンの製造方法であ
る。The present invention has the general formula R 2 O.nR'O.xNa 2 O.Al 2 O 3 .ySiO 2 .zH 2 O (where R is an alkali metal excluding Na and R'is an alkaline earth metal). , M is 0 to 0.2, n is 0 to 0.2, and x is 0.8 to 1.
2, y represents a number of 1.7 to 2.0, z represents a number of 4 to 7, and m + n
Is 0 to 0.2. ), 1,2-dichloropropane is heated in the presence of a crystalline aluminosilicate represented by the formula (1).
【０００７】本発明において用いられる結晶性アルミノ
ケイ酸塩とは、一般式mR2O ・nR′O ・ xNa2O ・ Al2O3 ・
ySiO2 ・ zH2O で示される組成を有し、結晶化率は２０
％以上、好ましくは５０％以上の化合物でしる。ただ
し、一般式のＲはNaを除くアルカリ金属、Ｒ′はアルカ
リ土類金属、また、ｍは０〜0.２、ｎは０〜0.２、ｘは
0.８〜1.２、ｙは1.７〜2.０、ｚは４〜７の数を表わ
し、ｍ＋ｎは０〜0.２の範囲内である。本発明において
は、結晶性アルミノケイ酸塩としてゼオライトが好適に
用いられる。上記の結晶性アルミノケイ酸塩は、アルミ
ン酸ナトリウム、水酸化アルミニウムなどのアルミナ源
と、シリカゾル、ケイ酸ナトリウムなどのシリカ源と
を、アルカリ条件下で水熱合成して得ることができ、ま
た、Ａ型ゼオライトとして市販もされている。上記一般
式のR2O 、 R′O （Ｒはアルカリ金属、Ｒ′はアルカリ
土類金属）成分は、それぞれの金属元素の塩の水溶液を
使って、イオン交換法により容易に導入することができ
るが、その含有量は一般式において、Al2O3 に対しそれ
ぞれが０〜0.２の範囲内で、かつ、全体で０〜0.２の範
囲内である。また、形状は特に限定されず、粉末状、粒
状など等しく用いられるが、取扱い上の容易さなどから
粒状品が好ましい。The crystalline aluminosilicate used in the present invention has the general formula mR 2 O .nR'O .xNa 2 O .Al 2 O 3.
has a composition represented by ySiO 2 · zH 2 O, crystallization rate 20
% Or more, preferably 50% or more of the compound. However, in the general formula, R is an alkali metal except Na, R'is an alkaline earth metal, m is 0 to 0.2, n is 0 to 0.2, and x is
0.8 to 1.2, y represents a number of 1.7 to 2.0, z represents a number of 4 to 7, and m + n is in the range of 0 to 0.2. In the present invention, zeolite is preferably used as the crystalline aluminosilicate. The above crystalline aluminosilicate, sodium aluminate, an alumina source such as aluminum hydroxide, silica sol, a silica source such as sodium silicate, can be obtained by hydrothermal synthesis under alkaline conditions, also, It is also commercially available as A-type zeolite. The R 2 O and R′O (R is an alkali metal and R ′ is an alkaline earth metal) components of the above general formula can be easily introduced by an ion exchange method using an aqueous solution of a salt of each metal element. However, in the general formula, the content thereof is in the range of 0 to 0.2 with respect to Al 2 O 3 , and in the range of 0 to 0.2 in total. Further, the shape is not particularly limited, and powdery, granular, etc. may be used equally, but a granular product is preferable from the viewpoint of easy handling.
【０００８】上記の結晶性アルミノケイ酸塩の使用量
は、触媒量で良い。結晶性アルミノケイ酸塩に１，２−
ジクロルプロパンを連続的に供給して反応を行なう連続
式の場合には、一般に１，２−ジクロルプロパンの供給
量（容量／時間）／結晶性アルミノケイ酸塩の使用量
（容量）で示される空間速度で100 〜500,000 hr-1の範
囲から採用することが好ましい。The crystalline aluminosilicate may be used in a catalytic amount. 1,2- to crystalline aluminosilicate
In the case of a continuous system in which dichloropropane is continuously fed to carry out the reaction, it is generally shown by the feed amount of 1,2-dichloropropane (volume / hour) / the amount of crystalline aluminosilicate used (volume). It is preferable to adopt from the range of 100 to 500,000 hr −1 in terms of space velocity.
【０００９】本発明により１，２−ジクロルプロパンか
らクロルシクロプロパンを製造する場合、圧力は0.５〜
１０気圧の範囲、好ましくは、0.５〜５気圧の範囲であ
り、反応温度は１００〜５００℃の範囲、好ましくは１
５０〜４００℃の範囲である。When chlorocyclopropane is produced from 1,2-dichloropropane according to the present invention, the pressure is 0.5 to
The pressure is in the range of 10 atm, preferably in the range of 0.5 to 5 atm, and the reaction temperature is in the range of 100 to 500 ° C, preferably 1
It is in the range of 50 to 400 ° C.
【００１０】反応形式は、バッチ式、連続式、半連続式
のいずれの方法も採用可能であるが、工業的には、結晶
性アルミノケイ酸塩を充填塔に充填し、そこへ１，２−
ジクロルプロパンを連続的に供給する連続式が好適に採
用できる。As the reaction system, any of batch system, continuous system and semi-continuous system can be adopted, but industrially, a crystalline aluminosilicate is packed in a packed column, and 1,2-
A continuous system for continuously supplying dichloropropane can be preferably adopted.
【００１１】[0011]
【発明の効果】上記した本発明の方法によれば、入手容
易な１，２−ジクロルプロパンから１段階でクロルシク
ロプロパンを収率よく製造可能である。According to the above-mentioned method of the present invention, chlorocyclopropane can be produced in good yield in a single step from readily available 1,2-dichloropropane.
【００１２】[0012]
【実施例】以下に実施例を示して本発明を詳細に説明す
るが、本発明はこれらの実施例に限定されるものではな
い。The present invention will be described in detail below with reference to examples, but the present invention is not limited to these examples.
【００１３】実施例１ 市販の粉末状Ａ型ゼオライト（Na2O ・ Al2O3 ・ 1.9 SiO
2 ・ 6 H2O 、結晶化率９５％）５ｇをガラス製反応管
（φ＝２０mm）に充填し、窒素ガスを流通させ、４００
℃で３時間加熱した後、反応温度まで降温し、反応に供
した。Example 1 Commercially available powdery A-type zeolite (Na 2 O.Al 2 O 3 .1.9 SiO
A glass reaction tube (φ = 20 mm) was charged with 5 g of 2.6 H 2 O and a crystallization rate of 95%, and nitrogen gas was passed through the reaction tube.
After heating at 0 ° C for 3 hours, the temperature was lowered to the reaction temperature and the reaction was performed.
【００１４】反応は、固定床常圧流通装置を用い、１，
２−ジクロルプロパンはマイクロ定量ポンプより0.３ml
／分の速度で１時間供給した。１，２−ジクロルプロパ
ンは、途中の気化器でガス化した後、反応管内に導入
し、反応を行なった。The reaction was carried out using a fixed bed atmospheric pressure distribution apparatus,
2-dichloropropane is 0.3 ml from a micro metering pump
It was fed at a rate of 1 / min for 1 hour. 1,2-Dichloropropane was gasified by a vaporizer on the way and then introduced into a reaction tube to carry out a reaction.
【００１５】反応混合物は、ドライアイス−メタノール
で冷却、捕集した後、ＦＩＤ型ガスクロマトグラフによ
り分析した。１，２−ジクロルプロパンの転化率および
クロルシクロプロパンの選択率は、次式より算出した。 未反応ＰＤＣ重量 転化率（％）＝（１− ────────）×１００ 供給ＰＤＣ重量 （ＰＤＣは、１，２−ジクロルプロパンを表わす。） クロルシクロプロパン重量 選択率（％）＝（１− ─────────────）×１００ 生 成 物The reaction mixture was cooled with dry ice-methanol, collected, and then analyzed by an FID gas chromatograph. The conversion of 1,2-dichloropropane and the selectivity of chlorocyclopropane were calculated by the following formulas. Unreacted PDC weight Conversion (%) = (1- ─────────) × 100 Supply PDC weight (PDC represents 1,2-dichloropropane) Chlorcyclopropane weight selectivity (%) ) = (1- ─────────────) × 100 products
【００１６】なお、クロルシクロプロパン以外の生成物
は、１−クロルプロぺン、２−クロルプロペン、３−ク
ロルプロぺンであった。結果を表１に示した。The products other than chlorocyclopropane were 1-chloropropene, 2-chloropropene and 3-chloropropene. The results are shown in Table 1.
【００１７】[0017]
【表１】 [Table 1]
【００１８】実施例２ 市販の粒状Ａ型ゼオライト（Na2O ・ Al2O3 ・ 1.7 SiO2
・ 7 H2O 、結晶化率９０％）１０ｇを、硝酸カリウム水
溶液（0.２mol/リットル）１００mlに室温下で１０時間
浸漬した後、濾過水洗し、乾燥させた。さらに、硝酸カ
ルシウム水溶液（１mol/リットル）１００mlに室温下で
１０時間浸漬し、濾過水洗を行ない、乾燥させた。その
後、電気炉を用いて、４５０℃で１０時間焼成を行なっ
た。Example 2 Commercially available granular A-type zeolite (Na 2 O.Al 2 O 3 .1.7 SiO 2
10 g of 7 H 2 O having a crystallization rate of 90%) was immersed in 100 ml of an aqueous potassium nitrate solution (0.2 mol / liter) at room temperature for 10 hours, filtered, washed with water and dried. Further, it was immersed in 100 ml of a calcium nitrate aqueous solution (1 mol / liter) at room temperature for 10 hours, filtered, washed with water and dried. Then, it baked at 450 degreeC using the electric furnace for 10 hours.
【００１９】蛍光Ｘ線分析の結果、組成は、0.１K2O ・
0.1CaO ・ 0.8Na2O ・ Al2O3 ・1.7SiO2 ・ 6 H2O であっ
た。As a result of X-ray fluorescence analysis, the composition was 0.1 K 2 O.
0.1CaO · 0.8Na was 2 O · Al 2 O 3 · 1.7SiO 2 · 6 H 2 O.
【００２０】このようにして調製されたゼオライトを用
いたこと以外は、実施例１と全く同様の操作で反応を行
なった。結果を表２に示した。The reaction was carried out by the same procedure as in Example 1 except that the zeolite thus prepared was used. The results are shown in Table 2.
【００２１】[0021]
【表２】 [Table 2]
Claims (1)
土類金属、ｍは０〜0.２、ｎは０〜0.２、ｘは0.８〜1.
２、ｙは1.７〜2.０、ｚは４〜７の数を表わし、ｍ＋ｎ
は０〜0.２である。）で示される結晶性アルミノケイ酸
塩の存在下に、１，２−ジクロルプロパンを加熱するこ
とを特徴とするクロルシクロプロパンの製造方法。1. A general formula, mR 2 O · nR'O · xNa 2 O · Al 2 O 3 · ySiO 2 · zH 2 O ( provided that alkali metal R is other than a Na, R 'is an alkaline earth metal, m is 0 to 0.2, n is 0 to 0.2, and x is 0.8 to 1.
2, y represents a number of 1.7 to 2.0, z represents a number of 4 to 7, and m + n
Is 0 to 0.2. ) 1,2-dichloropropane is heated in the presence of the crystalline aluminosilicate represented by the formula (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2413779A JPH085818B2 (en) | 1990-12-25 | 1990-12-25 | Method for producing chlorocyclopropane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2413779A JPH085818B2 (en) | 1990-12-25 | 1990-12-25 | Method for producing chlorocyclopropane |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04224533A JPH04224533A (en) | 1992-08-13 |
| JPH085818B2 true JPH085818B2 (en) | 1996-01-24 |
Family
ID=18522349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2413779A Expired - Fee Related JPH085818B2 (en) | 1990-12-25 | 1990-12-25 | Method for producing chlorocyclopropane |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH085818B2 (en) |
-
1990
- 1990-12-25 JP JP2413779A patent/JPH085818B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH04224533A (en) | 1992-08-13 |
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