SU47865A1 - The method of preparation of the preparation of anabasin for the purpose of combating agricultural pests - Google Patents

The method of preparation of the preparation of anabasin for the purpose of combating agricultural pests

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Publication number
SU47865A1
SU47865A1 SU172909A SU172909A SU47865A1 SU 47865 A1 SU47865 A1 SU 47865A1 SU 172909 A SU172909 A SU 172909A SU 172909 A SU172909 A SU 172909A SU 47865 A1 SU47865 A1 SU 47865A1
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SU
USSR - Soviet Union
Prior art keywords
preparation
anabasin
anabasine
agricultural pests
salts
Prior art date
Application number
SU172909A
Other languages
Russian (ru)
Inventor
Б.Н. Дашкевич
Original Assignee
Б.Н. Дашкевич
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 Б.Н. Дашкевич filed Critical Б.Н. Дашкевич
Priority to SU172909A priority Critical patent/SU47865A1/en
Application granted granted Critical
Publication of SU47865A1 publication Critical patent/SU47865A1/en

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Description

Предлагаемое изобретение касаетс  способа приготовлени  препарата анабазина дл  целей борьбы с вредител ми сельского хоз йства.The present invention relates to a method for preparing anabasin preparation for combating agricultural pests.

Алкалоид анабазин был открыт проф. Ореховым в дикорастущем растении Anabasis aphilla в 1926 г. Уже в 1929 г. его сернокисла  соль (анабазин-сульфат) начала примен тьс  дл  борьбы с вредител ми в системе защиты растений.Alkaloid Anabasin was discovered by prof. Walnuts in the wild plant Anabasis aphilla in 1926. Already in 1929 its sulfuric acid salt (Anabasine sulfate) was used to combat pests in the plant protection system.

Поставленные автором насто щего изобретени  исследовани  в Институте защиты растений показали, что токсичность солей анабазина не одинакова и св зана со степенью диссоциации той кислоты, котора  входит в состав соли, причем слабо диссоциированные соли оказались даже более токсичными, чем анабазин-основание.The studies of the Institute of Plant Protection by the author of the present invention showed that the toxicity of anabazine salts is not the same and is related to the degree of dissociation of the acid that is part of the salt, and the slightly dissociated salts turned out to be even more toxic than the anabasine base.

Соли же сильных кислот, например анабазин-сульфат оказались по токсичности более слабыми, чем анабазиноснование и несравненно слабее солей слабых кислот. В частности полученный автором анабазин - карбонат зан л по токсичности одно из первых мест.Salts of strong acids, for example, anabazine sulfate, were found to be more toxic by toxicity than anabasin base and incomparably weaker than salts of weak acids. In particular, the anabazine carbonate obtained by the author is one of the first in terms of toxicity.

Дл  получени  препаратов анабазина последний непосредственно или в растворе обрабатывают слабо диссоциированными кислотами или их ангидридами. Образовавшиес  соли анабазина выдел ют из раствора.To obtain anabasin preparations, the latter is treated directly or in solution with weakly dissociated acids or their anhydrides. The resulting anabasine salts are separated from the solution.

Получение химически чистого анабазин-карбоната осложн етс  необычайной его гигроскопичностью, вследстве чегоThe production of chemically pure anabasine carbonate is complicated by its unusual hygroscopicity, as a result of which

082)082)

получить эту соль в сухом кристаллическом виде не удаетс . Наибольша  концентраци  анабазин-карбоната получаетс  в услови х пропускани  в раствор анабазина в абсолютном эфире угольной кислрты,Хобразующейс  в результате разложени  при нагревании двууглекислого натри , и доходит до 96% анабазин - карбоната. Консистенцию он имел при этом густой, почти неподвижной жидкости, имеющей лищь местами муть, состо щую, как видно через лупу, из мелких бесцветных кристаллов.to obtain this salt in a dry crystalline form is not successful. The highest concentration of anabasine carbonate is obtained under conditions of transmission to the solution of anabazine in absolute ether of carbonic acid, formed as a result of decomposition when heated with sodium bicarbonate, and reaches 96% of anabasine carbonate. At the same time, it had a consistency of a thick, almost immobile liquid, which has a thinness in places, consisting, as can be seen through a magnifying glass, of small, colorless crystals.

Технический анабазин-карбонат может быть получен из технического анабазина в водном растворе при пропускании угольного ангидрида, дл  чего можно использовать, например, топочные и тому подобные газы. В этих услови х спутники анабазина, а именно: лупиниост афиллин и афиллидин, дающие 14% от общей суммы алкалоидов, также образуют углекислые соли. Интересен тот факт, что монокарбонат анабазина в водных растворах даже концентрации до чрезвычайно устойчив и при долгом сто нии не выдел ет угольного ангидрида.Technical anabasine carbonate can be obtained from technical anabasine in aqueous solution by passing carbonic anhydride, for which, for example, flue and similar gases can be used. Under these conditions, the satellites of anabasine, namely: lupinioste aphillin and aphillidine, giving 14% of the total amount of alkaloids, also form carbonate salts. An interesting fact is that anabasine monocarbonate in aqueous solutions, even concentrations, is extremely stable and does not emit carbonic anhydride in case of long standing.

Предмет изобрете ни .The subject invention is neither.

1. Способ приготовлени  препарата анабазина дл  целей борьбы с вредител ми . сельского хоз йства, отличающийс  тем, что анабазин в растворе или непосредственно обрабатывают елабо диссоциированными кислотами или ангидридами последних, например, угольной или сероводородной кислотами и образовавшиес  соли основани  анабазина выдел ют из раствора.1. The method of preparation of the preparation of anabasin for the purpose of combating pests. agriculture, characterized in that the anabasine in solution is either directly treated with slightly dissociated acids or anhydrides of the latter, for example, carbonic or hydrogen sulfide acids, and the resulting salts of the anabasine base are separated from the solution.

2. Прием выполнени  способа, указанного в п, 1, отличающийс  тем, что основание анабазина обрабатывают газами , содержащими двуокись углерода например, топочными.2. Acceptance of the method described in p. 1, characterized in that the base of the anabasin is treated with gases containing carbon dioxide, for example, flue gases.

SU172909A 1935-07-14 1935-07-14 The method of preparation of the preparation of anabasin for the purpose of combating agricultural pests SU47865A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU172909A SU47865A1 (en) 1935-07-14 1935-07-14 The method of preparation of the preparation of anabasin for the purpose of combating agricultural pests

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU172909A SU47865A1 (en) 1935-07-14 1935-07-14 The method of preparation of the preparation of anabasin for the purpose of combating agricultural pests

Publications (1)

Publication Number Publication Date
SU47865A1 true SU47865A1 (en) 1936-07-31

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