Processes for Producing Chlorinated Hydrocarbons and Methods for Recovering Polyvalent Antimony Catalysts Therefrom

The preparation of chlorinated hydrocarbons, such as pentachloropropanes, such as 1,1,1,2,3-pentachloropropane, from tetrachloropropanes, such as 1,1,1,3-tetrachloropropane, in the presence of a polyvalent antimony compound that includes a pentavalent antimony compound, such as antimony pentachloride, is described. Also described are methods for preparing optionally chlorinated alkenes, such as, tetrachloropropenes, from chlorinated alkanes, such as pentachloropropanes, in the presence of polyvalent antimony compound that includes a pentavalent antimony compound, as well as methods for recovering polyvalent antimony compounds from such processes. 130-. (canceled)31: A method of preparing a chlorinated alkene product by chloroalkane dehydrochlorination process , the method comprising:(a) reacting at least one chlorinated alkane in the presence of at least one polyvalent antimony catalyst in a reaction vessel, thereby forming a crude product comprising at least one chlorinated alkene product, a portion of the at least one chlorinated alkane and the at least one polyvalent antimony catalyst, the at least one chlorinated alkene product having one less chloro group (or chlorine atom) covalently bonded thereto and one less hydrogen atom covalently bonded thereto than the at least one chlorinated alkane, the at least one chlorinated alkane and the at least one chlorinated alkene product having a carbon backbone structure that is in each case the same, the at least one chlorinated alkene product having a boiling point at least about 5° C. less than the at least one chlorinated alkane; and(b) optionally converting the polyvalent antimony catalyst to trivalent antimony catalyst to form a product comprising at least one chlorinated alkene product, at least one chlorinated alkane, and at least one trivalent antimony catalyst; (i) the product of step (a) comprising at least one chlorinated alkene product, at least one chlorinated alkane, and at least one polyvalent antimony ...

Processes for Producing Chlorinated Hydrocarbons and Methods for Recovering Polyvalent Antimony Catalysts Therefrom

The preparation of chlorinated hydrocarbons, such as pentachloropropanes, such as 1,1,1,2,3-pentachloropropane, from tetrachloropropanes, such as 1,1,1,3-tetrachloropropane, in the presence of a polyvalent antimony compound that includes a pentavalent antimony compound, such as antimony pentachloride, is described. Also described are methods for preparing optionally chlorinated alkenes, such as, tetrachloropropenes, from chlorinated alkanes, such as pentachloropropanes, in the presence of polyvalent antimony compound that includes a pentavalent antimony compound, as well as methods for recovering polyvalent antimony compounds from such processes.

Processes for producing chlorinated hydrocarbons and methods for recovering polyvalent antimony catalysts therefrom

The preparation of chlorinated hydrocarbons, such as pentachloropropanes, such as 1,1,1,2,3-pentachloropropane, from tetrachloropropanes, such as 1,1,1,3-tetrachloropropane, in the presence of a polyvalent antimony compound that includes a pentavalent antimony compound, such as antimony pentachloride, is described. Also described are methods for preparing optionally chlorinated alkenes, such as, tetrachloropropenes, from chlorinated alkanes, such as pentachloropropanes, in the presence of polyvalent antimony compound that includes a pentavalent antimony compound, as well as methods for recovering polyvalent antimony compounds from such processes.

Process For Producing Chlorinated Hydrocarbons

The preparation of chlorinated hydrocarbons, such as pentachloropropanes, such as 1,1,1,2,3-pentachloropropane, from tetrachloropropanes, such as 1,1,1,3-tetrachloropropane, in the presence of a polyvalent antimony compound that includes a pentavalent antimony compound, such as antimony pentachloride, is described. Also described are methods for preparing optionally chlorinated alkenes, such as, tetrachloropropenes, from chlorinated alkanes, such as pentachloropropanes, in the presence of ferric chloride and a polyvalent antimony compound that includes a pentavalent antimony compound. 115-. (canceled)16. A method of forming an alkene product comprising ,heating a chlorinated alkane substrate in the presence of ferric chloride and a polyvalent antimony compound comprising a pentavalent antimony compound, thereby forming a product comprising said alkene product, whereinsaid alkene product optionally has at least one chlorine group covalently bonded thereto, andsaid chlorinated alkane substrate and said alkene product each have a carbon backbone structure that is in each case the same.18. The method of claim 17 , whereinsaid pentavalent antimony compound comprises antimony pentachloride, andsaid trivalent antimony compound comprises antimony trichloride.19. The method of claim 16 , wherein ferric chloride and said polyvalent antimony compound are each independently present in a catalytic amount.20. The method of claim 16 , wherein said method is performed as a batch method claim 16 , a continuous method claim 16 , and combinations thereof.21. The method of wherein claim 16 ,said chlorinated alkane substrate is 1,1,1,2,3-pentachloropropane, andsaid alkene product is 1,1,2,3-tetrachloropropene.22. The method of claim 21 , wherein heating 1 claim 21 ,1 claim 21 ,1 claim 21 ,2 claim 21 ,3-pentachloropropane in the presence of ferric chloride and said polyvalent antimony compound is conducted at a temperature of from 50° C. to 200° C. claim 21 , and a pressure of from 0.6 ...

Processes for Producing Chlorinated Hydrocarbons and Methods for Recovering Polyvalent Antimony Catalysts Therefrom

The preparation of chlorinated hydrocarbons, such as pentachloropropanes, such as 1,1,1,2,3-pentachloropropane, from tetrachloropropanes, such as 1,1,1,3-tetrachloropropane, in the presence of a polyvalent antimony compound that includes a pentavalent antimony compound, such as antimony pentachloride, is described. Also described are methods for preparing optionally chlorinated alkenes, such as, tetrachloropropenes, from chlorinated alkanes, such as pentachloropropanes, in the presence of polyvalent antimony compound that includes a pentavalent antimony compound, as well as methods for recovering polyvalent antimony compounds from such processes.

Method of Converting a Brominated Hydrocarbon to a Chlorinated Hydrocarbon

The present invention provides a method of converting a brominated hydrocarbon to a chlorinated hydrocarbon that involves contacting together the brominated hydrocarbon and a chlorinated ion exchange resin that has a water content of less than or equal to 30 percent by weight, based on the total weight of the chlorinated ion exchange resin and the water. The brominated hydrocarbon includes at least one replaceable bromo group, where each replaceable bromo group is independently covalently bonded to an sp3 hybridized carbon. Contact between the brominated hydrocarbon and the chlorinated ion exchange resin results in replacement of at least one replaceable bromo group of the brominated hydrocarbon with a chloro group, and correspondingly conversion of at least a portion of the brominated hydrocarbon to the chlorinated hydrocarbon.

Process For Producing Chlorinated Hydrocarbons In The Presence Of A Polyvalent Bismuth Compound

The preparation of chlorinated hydrocarbons by reacting a chlorinated alkane substrate, such as 1,1,1,3-tetrachloropropane, with a source of chlorine, such as chlorine (Cl 2 ), in the presence of a polyvalent bismuth compound, such as triphenyl bismuth and/or triphenyl bismuth dichloride, is described. With the method of the present invention, the chlorinated alkane product has covalently bonded thereto at least one more chlorine group than the chlorinated alkane substrate, and the chlorinated alkane substrate and the chlorinated alkane product each have a carbon backbone structure that is in each case the same.

Stabilization of Chlorinated Olefins

A composition is provided, including: at least one chlorinated olefin having at least 3 carbon atoms and at least two terminal chlorine atoms; and at least one C 1 -C 7 aliphatic aldehyde hydrazone and/or at least one C 1 -C 14 aliphatic ketohydrazone. A method of inhibiting formation of phosgene and/or acidic impurity from a chlorinated olefin having at least 3 carbon atoms and at least two terminal chlorine atoms, comprising: adding at least one C 1 -C 7 aliphatic aldehyde hydrazone and/or at least one C 1 -C 14 aliphatic ketohydrazone to a chlorinated olefin having at least 3 carbon atoms and at least two terminal chlorine atoms also is provided.

Process For Producing Chlorinated Hydrocarbons

The preparation of chlorinated hydrocarbons, such as pentachloropropanes, such as 1,1,1,2,3-pentachloropropane, from tetrachloropropanes, such as 1,1,1,3-tetrachloropropane, in the presence of a polyvalent antimony compound that includes a pentavalent antimony compound, such as antimony pentachloride, is described. Also described are methods for preparing optionally chlorinated alkenes, such as, tetrachloropropenes, from chlorinated alkanes, such as pentachloropropanes, in the presence of ferric chloride and a polyvalent antimony compound that includes a pentavalent antimony compound. 1. A method of preparing 1 ,1 ,1 ,2 ,3-pentachloropropane comprising ,reacting 1,1,1,3-tetrachloropropane with a source of chlorine in the presence of a polyvalent antimony compound comprising a pentavalent antimony compound, thereby forming a product comprising 1,1,1,2,3-pentachloropropane.2. The method of claim 1 , wherein said source of chlorine is selected from chlorine (Cl) claim 1 , sulfuryl chloride claim 1 , and combinations thereof.4. The method of further comprising claim 3 , forming at least a portion of said pentavalent antimony compound from a precursor of said pentavalent antimony compound.5. The method of claim 4 , wherein said precursor of said pentavalent antimony compound comprises said trivalent antimony compound represented by Formula (II).6. The method of claim 5 , wherein said precursor of said pentavalent antimony compound is selected from the group consisting of antimony trichloride claim 5 , trialkyl antimony claim 5 , triaryl antimony claim 5 , and combinations of two or more thereof.7. The method of claim 6 , wherein said precursor of said pentavalent antimony compound is selected from the group consisting of antimony trichloride claim 6 , triphenyl antimony claim 6 , and combinations thereof.8. The method of claim 1 , wherein said polyvalent antimony compound is supported on a solid support.9. The method of claim 8 , wherein said solid support is selected ...

Process for Producing Chlorinated Hydrocarbons in the Presence of a Polyvalent Molybdenum Compound

The preparation of chlorinated hydrocarbons by reacting a chlorinated alkane substrate, such as 1,1,1,3-tetrachloropropane, with a source of chlorine, such as chlorine (Cl 2 ), in the presence of a polyvalent molybdenum compound, such as molybdenum pentachloride, is described. With the method of the present invention, the chlorinated alkane product has covalently bonded thereto at least one more chlorine group than the chlorinated alkane substrate, and the chlorinated alkane substrate and the chlorinated alkane product each have a carbon backbone structure that is in each case the same.

Process for producing chlorinated hydrocarbons

Processes for producing chlorinated hydrocarbons and methods for recovering polyvalent antimony catalysts therefrom

The preparation of chlorinated hydrocarbons, such as pentachloropropanes, such as 1,1,1,2,3-pentachloropropane, from tetrachloropropanes, such as 1,1,1,3-tetrachloropropane, in the presence of a polyvalent antimony compound that includes a pentavalent antimony compound, such as antimony pentachloride, is described. Also described are methods for preparing optionally chlorinated alkenes, such as, tetrachloropropenes, from chlorinated alkanes, such as pentachloropropanes, in the presence of polyvalent antimony compound that includes a pentavalent antimony compound, as well as methods for recovering polyvalent antimony compounds from such processes.

Stabilization of chlorinated olefins

A composition is provided, including: at least one chlorinated olefin having at least 3 carbon atoms and at least two terminal chlorine atoms; and at least one C 1 -C 7 aliphatic aldehyde hydrazone and/or at least one C 1 -C 14 aliphatic ketohydrazone. A method of inhibiting formation of phosgene and/or acidic impurity from a chlorinated olefin having at least 3 carbon atoms and at least two terminal chlorine atoms, comprising: adding at least one C 1 -C 7 aliphatic aldehyde hydrazone and/or at least one C 1 -C 14 aliphatic ketohydrazone to a chlorinated olefin having at least 3 carbon atoms and at least two terminal chlorine atoms also is provided.

Process for producing chlorinated hydrocarbons in the presence of a polyvalent bismuth compound

The preparation of chlorinated hydrocarbons by reacting a chlorinated alkane substrate, such as 1,1,1,3 tetrachloropropane, with a source of chlorine, such as chlorine (Cl2), in the presence of a polyvalent bismuth compound, such as triphenyl bismuth and/or triphenyl bismuth dichloride, is described. With the method of the present invention, the chlorinated alkane product has covalently bonded thereto at least one more chlorine group than the chlorinated alkane substrate, and the chlorinated alkane substrate and the chlorinated alkane product each have a carbon backbone structure that is in each case the same.

Process for producing chlorinated hydrocarbons in the presence of a polyvalent bismuth compound

The preparation of chlorinated hydrocarbons by reacting a chlorinated alkane substrate, such as 1,1,1,3 tetrachloropropane, with a source of chlorine, such as chlorine (Cl2), in the presence of a polyvalent bismuth compound, such as triphenyl bismuth and/or triphenyl bismuth dichloride, is described. With the method of the present invention, the chlorinated alkane product has covalently bonded thereto at least one more chlorine group than the chlorinated alkane substrate, and the chlorinated alkane substrate and the chlorinated alkane product each have a carbon backbone structure that is in each case the same.

Process for producing chlorinated hydrocarbons in the presence of a polyvalent bismuth compound

Verfahren und vorrichtung zum schmelzspinnen von faeden

Process for producing chlorinated hydrocarbons in the presence of a polyvalent molybdenum compound

The preparation of chlorinated hydrocarbons by reacting a chlorinated alkane substrate, such as 1,1,1,3-tetrachloropropane, with a source of chlorine, such as chlorine (Cl 2 ), in the presence of a polyvalent molybdenum compound, such as molybdenum pentachloride, is described. With the method of the present invention, the chlorinated alkane product has covalently bonded thereto at least one more chlorine group than the chlorinated alkane substrate, and the chlorinated alkane substrate and the chlorinated alkane product each have a carbon backbone structure that is in each case the same.

Process for producing chlorinated hydrocarbons in the presence of a polyvalent molybdenum compound

Method of converting a brominated hydrocarbon to a chlorinated hydrocarbon

The present invention provides a method of converting a brominated hydrocarbon to a chlorinated hydrocarbon that involves contacting together the brominated hydrocarbon and a chlorinated ion exchange resin that has a water content of less than or equal to 30 percent by weight, based on the total weight of the chlorinated ion exchange resin and the water. The brominated hydrocarbon includes at least one replaceable bromo group, where each replaceable bromo group is independently covalently bonded to an sp 3 hybridized carbon. Contact between the brominated hydrocarbon and the chlorinated ion exchange resin results in replacement of at least one replaceable bromo group of the brominated hydrocarbon with a chloro group, and correspondingly conversion of at least a portion of the brominated hydrocarbon to the chlorinated hydrocarbon.

ブロモ化炭化水素をクロロ化炭化水素に変換する方法

【課題】 ブロモ化炭化水素をクロロ化炭化水素に変換する方法を提供すること【解決手段】 本発明は、ブロモ化炭化水素、およびクロロ化イオン交換樹脂および水の総重量に対して３０重量％未満またはそれに等しい水分含有量を有するクロロ化イオン交換樹脂を一緒に接触させるステップを含む、ブロモ化炭化水素をクロロ化炭化水素に変換する方法を提供する。ブロモ化炭化水素は、少なくとも１つの置き換え可能なブロモ基を含み、各置き換え可能なブロモ基は、独立して、ｓｐ３混成炭素に共有結合により結合している。ブロモ化炭化水素とクロロ化イオン交換樹脂との間の接触は、ブロモ化炭化水素の少なくとも１つの置き換え可能なブロモ基のクロロ基による置き換えをもたらし、それに対応して、ブロモ化炭化水素の少なくとも一部がクロロ化炭化水素に変換される。【選択図】図３

Method of converting a brominated hydrocarbon to a chlorinated hydrocarbon

The present invention provides a method of converting a brominated hydrocarbon to a chlorinated hydrocarbon that involves contacting together the brominated hydrocarbon and a chlorinated ion exchange resin that has a water content of less than or equal to 30 percent by weight, based on the total weight of the chlorinated ion exchange resin and the water. The brominated hydrocarbon includes at least one replaceable bromo group, where each replaceable bromo group is independently covalently bonded to an sp 3 hybridized carbon. Contact between the brominated hydrocarbon and the chlorinated ion exchange resin results in replacement of at least one replaceable bromo group of the brominated hydrocarbon with a chloro group, and correspondingly conversion of at least a portion of the brominated hydrocarbon to the chlorinated hydrocarbon.