SU314754A1 - METHOD OF OBTAINING ANHYDRIDES OF PHOSPHYCLOCLOCENTENE ACIDS - Google Patents
METHOD OF OBTAINING ANHYDRIDES OF PHOSPHYCLOCLOCENTENE ACIDSInfo
- Publication number
- SU314754A1 SU314754A1 SU1419612A SU1419612A SU314754A1 SU 314754 A1 SU314754 A1 SU 314754A1 SU 1419612 A SU1419612 A SU 1419612A SU 1419612 A SU1419612 A SU 1419612A SU 314754 A1 SU314754 A1 SU 314754A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- acids
- anhydrides
- obtaining
- phosphycloclocentene
- acid
- Prior art date
Links
- 239000002253 acid Substances 0.000 title description 16
- 150000007513 acids Chemical class 0.000 title description 8
- 150000008064 anhydrides Chemical class 0.000 title description 5
- RTZKZFJDLAIYFH-UHFFFAOYSA-N diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 4
- 150000002148 esters Chemical class 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 150000001805 chlorine compounds Chemical class 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 230000002194 synthesizing Effects 0.000 description 2
- RFFLAFLAYFXFSW-UHFFFAOYSA-N 1,2-Dichlorobenzene Chemical compound ClC1=CC=CC=C1Cl RFFLAFLAYFXFSW-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N HCl Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- 150000008065 acid anhydrides Chemical class 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 125000005907 alkyl ester group Chemical group 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 150000001244 carboxylic acid anhydrides Chemical class 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000000875 corresponding Effects 0.000 description 1
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 1
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000543 intermediate Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 150000002903 organophosphorus compounds Chemical class 0.000 description 1
- -1 phosphide anhydride Chemical class 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000005292 vacuum distillation Methods 0.000 description 1
Description
Изобретение касаетс получени ангидридов фосфациклопентековых кислоты.The invention relates to the preparation of phosphaticyclopenteic acid anhydrides.
Известен снособ получени этих соединений , основанный иа реакции хлорангидридов фосфациклопентековых кислот с ангидридами карбоновых кислот, например уксусной.A method for producing these compounds is known, based on the reaction of phosphacyclopenteic acid chlorides with carboxylic anhydrides, for example acetic acid.
Ангидриды фосфациклопеитеновых кислот могут найти применение в синтезе разнообразных фосфорорганических соединений, в том числе эфиров фосфациклопентеновых кислот, которые получают взаимодействием ангидридов фосфациклонентеновых кислот со спиртами , при этом в качестве побочного продукта образуетс фосфациклопентенова кислота.Anhydrides of phosphacycloploitenic acids can be used in the synthesis of a variety of organophosphorus compounds, including esters of phosphacyclopentenoic acids, which are obtained by the interaction of anhydrides of phosphacycliconentenoic acids with alcohols, and phosphaticyclopentenic acid is formed as a by-product.
Цель изобретени - повысить выход и чистоту конечных продуктов, а также расширить сырьевую базу. Поставленна цель достигаетс тем, что фосфациклопентеновые кислоты подвергают взаимодействию с хлорангидридами этих кислот в отсутствие растворител и акцептора хлористого водорода при нагревании .The purpose of the invention is to increase the yield and purity of the final products, as well as expand the raw material base. This goal is achieved by the fact that phosphacyclopentene acids are reacted with the acid chlorides of these acids in the absence of a solvent and a hydrogen chloride acceptor when heated.
оез примесей других продуктов и они могут использоватьс дл синтеза эфиров без перегонки . Зто позвол ет получать эфиры фосфациклопентеновых кислот при рациональном использовании полупродуктов.Other products can be used to synthesize esters without distillation. This makes it possible to obtain esters of phosphacyclopentene acids with the rational use of intermediates.
Дл синтеза низших алкиловых зфиров фосфациклопентеновых кислот ангидрид смешивают с соответствующим спиртом, образующийс эфир отгон ют в вакууме, к кубовому остатку (кислота) прибавл ют хлорангидрид, смесь нагревают при 00-150°С, к реакционной массе после вакуумировани (ангидрид) добавл ют спирт, вновь отгон ют эфир и таким путем процесс получени эфира новтор :: )Т многократно.For the synthesis of lower alkyl esters of phosphacyclopentenoic acids, the anhydride is mixed with the corresponding alcohol, the resulting ester is distilled off in a vacuum, the acid chloride is added to the bottom residue (acid), the mixture is heated at 00-150 ° C, and the alcohol is added to the reaction mass after evacuation (anhydride) , the ether is again distilled off and in this way the process of obtaining the ether Novor ::) T repeatedly.
П р Н Л е р 1. Получение ангидрида фосфа г .1К,лОГгентеновой кислоты.P p N L e r 1. Preparation of phosphide anhydride g. 1K, logogenic acid.
В колбе дл вакуумной перегонки смещипают 0,05 г моль фосфациклопентеновой кислоты и 0,05 г моль хлорангпдрида фосфациклопентеновой кислоты. Смесь нагревают до 50°С в течение 0,5-1 час и продукт выдел ют перегонкой, т. кип. 215-220°С {1 мм рт. ст.) т. пл. 43-44°С. Выход 97%.In a flask for vacuum distillation, 0.05 g of a phosphacyclopentenoic acid and 0.05 g of a chlorophenyl chloride of phosphacyclopentenoic acid are mixed. The mixture is heated to 50 ° C for 0.5-1 hour and the product is isolated by distillation, i.e. 215-220 ° C {1 mmHg Art.) t. pl. 43-44 ° C. Exit 97%.
Найдено, %: Р 28,16.Found,%: P 28.16.
СзНгЮзР.SzNgUzR.
Publications (1)
Publication Number | Publication Date |
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SU314754A1 true SU314754A1 (en) |
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