SU726090A1 - Method of purifying 2-amidinothiourea - Google Patents

Method of purifying 2-amidinothiourea Download PDF

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Publication number
SU726090A1
SU726090A1 SU782616339A SU2616339A SU726090A1 SU 726090 A1 SU726090 A1 SU 726090A1 SU 782616339 A SU782616339 A SU 782616339A SU 2616339 A SU2616339 A SU 2616339A SU 726090 A1 SU726090 A1 SU 726090A1
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SU
USSR - Soviet Union
Prior art keywords
amidinothiourea
purifying
purification
digiprate
hydroquinone
Prior art date
Application number
SU782616339A
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Russian (ru)
Inventor
Александр Бениаминович Томчин
Вячеслав Самуилович Стопский
Original Assignee
Военно-Медицинская Ордена Ленина Краснознаменная Академия Им.С.М.Кирова
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Application filed by Военно-Медицинская Ордена Ленина Краснознаменная Академия Им.С.М.Кирова filed Critical Военно-Медицинская Ордена Ленина Краснознаменная Академия Им.С.М.Кирова
Priority to SU782616339A priority Critical patent/SU726090A1/en
Application granted granted Critical
Publication of SU726090A1 publication Critical patent/SU726090A1/en

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  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Description

(54) СПССОБ ОЧИСТКИ 2-ДМИДИНОТИОМОЧЕВ(54) SURFACE OF CLEANING 2-DIMIDINOMIOMES

«fijiM Атт"FijiM Att

Claims (2)

Формула изобретенияClaim 1. Способ очистки 2-амидинотиомочевины перекрйсталлизапией из водного раствора в присутствии восстановителей с выделением целевого продукта в щеаоч- ной среде, отличающийся тем, что, с целью упрощения процесса, очистку 2-амидинотиомочевины осуществляют при pH 8,5-11,0 в присутствии антиоксидантов и дигйпрата щавелевой кислоты.1. The method of purification of 2-amidinothiourea by recrystallization from an aqueous solution in the presence of reducing agents with the isolation of the target product in an alkaline medium, characterized in that, in order to simplify the process, the purification of 2-amidinothiourea is carried out at a pH of 8.5-11.0 in the presence of antioxidants and oxalic acid digiprate. 2. Способ по π. 1, отличавшийся тем, что в качестве антиоксидантов используют гидрохинон.2. The method according to π. 1, characterized in that hydroquinone is used as antioxidant.
SU782616339A 1978-05-16 1978-05-16 Method of purifying 2-amidinothiourea SU726090A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU782616339A SU726090A1 (en) 1978-05-16 1978-05-16 Method of purifying 2-amidinothiourea

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU782616339A SU726090A1 (en) 1978-05-16 1978-05-16 Method of purifying 2-amidinothiourea

Publications (1)

Publication Number Publication Date
SU726090A1 true SU726090A1 (en) 1980-04-05

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Family Applications (1)

Application Number Title Priority Date Filing Date
SU782616339A SU726090A1 (en) 1978-05-16 1978-05-16 Method of purifying 2-amidinothiourea

Country Status (1)

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SU (1) SU726090A1 (en)

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