RU2209206C1 - 8-hydroxy-2,2,4-trimethyl-1,2-dihydroquinoline or its hydrobromide salt and method for their preparing - Google Patents

8-hydroxy-2,2,4-trimethyl-1,2-dihydroquinoline or its hydrobromide salt and method for their preparing Download PDF

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RU2209206C1
RU2209206C1 RU2001135153A RU2001135153A RU2209206C1 RU 2209206 C1 RU2209206 C1 RU 2209206C1 RU 2001135153 A RU2001135153 A RU 2001135153A RU 2001135153 A RU2001135153 A RU 2001135153A RU 2209206 C1 RU2209206 C1 RU 2209206C1
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Russia
Prior art keywords
dihydroquinoline
trimethyl
hydroxy
hydrobromide salt
preparing
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RU2001135153A
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Russian (ru)
Inventor
В.А. Тартаковский
А.М. Сахаров
Е.Н. Ходот
Ю.А. Иванов
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Институт органической химии им. Н.Д.Зелинского РАН
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Priority to RU2001135153A priority Critical patent/RU2209206C1/en
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Abstract

FIELD: organic chemistry, chemical technology. SUBSTANCE: invention relates to novel compound: 8-hydroxy-2,2,4-trimethyl-1,2-dihydroquinoline of the formula (I)
Figure 00000003
or its hydrobromide salt of the formula (II)

Description

Текст описания в факсимильном виде (см. графическую часть). Ти Description text in facsimile form (see graphic part). T

Claims (2)

1. 8-гидрокси-2,2,4-триметил-1,2-дигидрохинолин I или его бромистоводородная соль II,
Figure 00000005

Figure 00000006

обладающие антиокислительными свойствами.1. 8-hydroxy-2,2,4-trimethyl-1,2-dihydroquinoline I or its hydrobromic salt II,
Figure 00000005

Figure 00000006

possessing antioxidant properties. 2. Способ получения 8-гидрокси-2,2, 4-триметил-1,2-дигидрохинолина I или его бромистоводородной соли II, заключающийся в том, что 8-метокси-2,2, 4-триметил-1,2-дигидрохинолин подвергают кипячению в бромистоводородной кислоте или уксусной кислоте, насыщенной бромистым водородом, с последующим выделением целевого продукта в виде бромистоводородной соли II или переводом его в основание I. 2. The method of obtaining 8-hydroxy-2,2, 4-trimethyl-1,2-dihydroquinoline I or its hydrobromide salt II, which consists in the fact that 8-methoxy-2,2, 4-trimethyl-1,2-dihydroquinoline subjected to boiling in hydrobromic acid or acetic acid saturated with hydrogen bromide, followed by isolation of the target product in the form of hydrobromic salt II or transferring it to base I.
RU2001135153A 2001-12-27 2001-12-27 8-hydroxy-2,2,4-trimethyl-1,2-dihydroquinoline or its hydrobromide salt and method for their preparing RU2209206C1 (en)

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RU2001135153A RU2209206C1 (en) 2001-12-27 2001-12-27 8-hydroxy-2,2,4-trimethyl-1,2-dihydroquinoline or its hydrobromide salt and method for their preparing

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RU2001135153A RU2209206C1 (en) 2001-12-27 2001-12-27 8-hydroxy-2,2,4-trimethyl-1,2-dihydroquinoline or its hydrobromide salt and method for their preparing

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RU2209206C1 true RU2209206C1 (en) 2003-07-27

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Effective date: 20131228