SU93986A1 - The method of separation of paraeugenol from a mixture of its isomers - Google Patents

The method of separation of paraeugenol from a mixture of its isomers

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Publication number
SU93986A1
SU93986A1 SU444714A SU444714A SU93986A1 SU 93986 A1 SU93986 A1 SU 93986A1 SU 444714 A SU444714 A SU 444714A SU 444714 A SU444714 A SU 444714A SU 93986 A1 SU93986 A1 SU 93986A1
Authority
SU
USSR - Soviet Union
Prior art keywords
mixture
paraeugenol
isomers
potash
separation
Prior art date
Application number
SU444714A
Other languages
Russian (ru)
Inventor
В.Н. Белов
Е.Д. Волкова
Original Assignee
В.Н. Белов
Е.Д. Волкова
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 В.Н. Белов, Е.Д. Волкова filed Critical В.Н. Белов
Priority to SU444714A priority Critical patent/SU93986A1/en
Application granted granted Critical
Publication of SU93986A1 publication Critical patent/SU93986A1/en

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Description

При синтетическом получении параэвгенола. например, путем аллильной перегруппировки, ие удаетс  получить чисть й продукт, так как при этом, как правило, образуетс  смесь изомерных эвгеполов , отличающихс  по.:1оженисм йллильной группы по oTiioniennio к фенольной группе.In the synthesis of para-eugenol. for example, by an allyl rearrangement, it is not possible to obtain a pure product, since, as a rule, a mixture of isomeric euhepols is formed, differing in terms of the production of the illiol group in the oTiioniennio phenolic group.

Предлагаемый способ юзвол ет легко выде.п ть параэвгенол из смеси его изомеров и отличаетс  тем. что смесь обрабатывают поташом и полученные двойиые криста.:1Л 1ческие соединени  нараэвгенола с поташом отдел ют летучими растворител ми от ортоизомера и метаизомера (хавибетола). не образующих соединений с поташом.The proposed method readily separates paraeugenol from a mixture of its isomers and differs in that. that the mixture is treated with potash and the resulting double crista: 1L the 1N compounds of naraeugenol and potash are separated by volatile solvents from the orthoisomer and the metaisomer (chavibetol). not forming compounds with potash.

Пример. 34 г вещества с Example. 34 g of substance with

1,5888 и теми. кип. 110-125° при остаточном давлении 77 мм рт. ст.. 34 г поташа и 1 г воды тщательно растирают до получени  кашиц.еобразиой массы голубоватого ивета . Часть исходного вещества, не вступившего в соединение с поташом , на фильтре Шотта отмывают органическим растворителем. Получают 44,6 i промытого, почти беснветного , твердого вен ества и 23,4 г маточника.1,5888 and those. kip 110-125 ° with a residual pressure of 77 mm Hg. 34 g of potash and 1 g of water are carefully ground to obtain a mushy mass of a bluish iveta. Part of the original substance, not entered into the connection with potash, on the filter Shott washed with organic solvent. 44.6 i of washed, almost non-corrosive, solid veneer and 23.4 g of mother liquor are obtained.

44,4 г твердого вещества, содержаилего двойные кристаллические соединени  иараэвгеиола с поташом , разлагают 200 мл 10%,-HOII се)ной киапоты (до кислой реакции на лакмус). Выделившеес  масло экстрагируют эфиром (или другим органическим растворителем ). Эфирный экcтpalvт промывают три раза насьиценш м растворо .м хлористого натри .44.4 g of a solid substance containing double crystalline compounds of araeuvgeiol with potash, decompose 200 ml of 10%, - HOII cortical syrup (before acid reaction to litmus). The oil that is recovered is extracted with ether (or another organic solvent). The ether extract is washed three times with sodium chloride solution.

Пос.ю отгонки растворите.1  но .ПЧают 10,1 t иараэвгеиола. который перегон ют в вакууме и получаютBy distillation, dissolve. 1 but .PCT 10.1 t iaraevgeiola. which is distilled under vacuum and get

I фракци : 11I fractions: 11

1,33971,3397

п P

фракци : 11 мм 121 г п,-11.5398. Остаток 0.5fractions: 11 mm 121 gp, -11.5398. Balance 0.5

Температура плав;1еии  эфира паранитробензойной кислоты 78.5-79 ,5°.Melt temperature; 1% of p-nitrobenzoic acid ester 78.5-79, 5 °.

Предмет изо б р е т е и и   Способ выделени  параэвгенола из смеси его изомеров, отл и ч аю щ и и с   тем. что смесь обрабатывают поташом, с целью превращени  параэвгенола в двойные кристал .1ические соединени  с иоташом, которые отдел ют летучими растворител ми ортоизомера и хавибетола , не образуюишх соединент с поташом.Subject of manufacture and method of separation of paraeugenol from a mixture of its isomers, excluding this and that. The mixture is treated with potash in order to transform paraeugenol into double crystals. The iotash compounds are separated by volatile solvents of the ortoisomer and chabibetol, which do not form a compound with potash.

SU444714A 1951-12-18 1951-12-18 The method of separation of paraeugenol from a mixture of its isomers SU93986A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU444714A SU93986A1 (en) 1951-12-18 1951-12-18 The method of separation of paraeugenol from a mixture of its isomers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU444714A SU93986A1 (en) 1951-12-18 1951-12-18 The method of separation of paraeugenol from a mixture of its isomers

Publications (1)

Publication Number Publication Date
SU93986A1 true SU93986A1 (en) 1952-11-30

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
SU444714A SU93986A1 (en) 1951-12-18 1951-12-18 The method of separation of paraeugenol from a mixture of its isomers

Country Status (1)

Country Link
SU (1) SU93986A1 (en)

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