SU463323A1 - Process for preparing substituted lactones of 2-(2'-hydroxyethyl)-nicotinic acid or their n-oxides - Google Patents

Process for preparing substituted lactones of 2-(2'-hydroxyethyl)-nicotinic acid or their n-oxides Download PDF

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Publication number
SU463323A1
SU463323A1 SU731942563A SU1942563A SU463323A1 SU 463323 A1 SU463323 A1 SU 463323A1 SU 731942563 A SU731942563 A SU 731942563A SU 1942563 A SU1942563 A SU 1942563A SU 463323 A1 SU463323 A1 SU 463323A1
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SU
USSR - Soviet Union
Prior art keywords
hydroxyethyl
oxides
nicotinic acid
preparing substituted
substituted lactones
Prior art date
Application number
SU731942563A
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Russian (ru)
Inventor
Г.А. Климов
Т.Н. Макарьева
М.Н. Тиличенко
Н.М. Шепетова
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Дальневосточный государственный университет
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Priority to SU731942563A priority Critical patent/SU463323A1/en
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Publication of SU463323A1 publication Critical patent/SU463323A1/en

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  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

1. СПОСОБ ПОЛУЧЕНИЯ ЗАМЕЩЕННЫХ ЛАКТОНОВ 2-1. METHOD FOR OBTAINING SUBSTITUTED LACTONES 2-

Description

(Л G(Lg

Claims (2)

1. СПОСОБ ПОЛУЧЕНИЯ ЗАМЕЩЕННЫХ ЛАКТОНОВ 2-(2-ОКСИЭТИЛ)-НИ1. METHOD FOR PRODUCING SUBSTITUTED 2- (2-Oxyethyl) -NI LACTONS КОТИНОВОЙ КИСЛОТЫ ИЛИ ИХ N-ОКИСЕЙ, отливающийся' тем, что замещенный, дигидиропирано-(4,3-в)пиридин или его N-окись подвергают окислению смесью концентрированных азотной и серной кислот при нагревании с последующим выделением целевого продукта известными приемами.OF COTIC ACID OR THEIR N-OXIDE, molded by the fact that substituted, dihydro-pyra- (4,3-c) pyridine or its N-oxide is subjected to oxidation with a mixture of concentrated nitric and sulfuric acids by heating, followed by isolation of the target product by known methods. 2. Способ по п.1, отличаю щ и й с я тем, что процесс ведут при 100°с. _ . ·2. The method according to claim 1, characterized by the fact that the process is carried out at 100 ° C. _. ·
SU731942563A 1973-07-05 1973-07-05 Process for preparing substituted lactones of 2-(2'-hydroxyethyl)-nicotinic acid or their n-oxides SU463323A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU731942563A SU463323A1 (en) 1973-07-05 1973-07-05 Process for preparing substituted lactones of 2-(2'-hydroxyethyl)-nicotinic acid or their n-oxides

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU731942563A SU463323A1 (en) 1973-07-05 1973-07-05 Process for preparing substituted lactones of 2-(2'-hydroxyethyl)-nicotinic acid or their n-oxides

Publications (1)

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SU463323A1 true SU463323A1 (en) 1983-07-15

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SU731942563A SU463323A1 (en) 1973-07-05 1973-07-05 Process for preparing substituted lactones of 2-(2'-hydroxyethyl)-nicotinic acid or their n-oxides

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