RU2007108959A - METHOD FOR PRODUCING 3-CHLORESULPHONYLBENBENZAMIDES FROM BENZOIC ACIDS - Google Patents

METHOD FOR PRODUCING 3-CHLORESULPHONYLBENBENZAMIDES FROM BENZOIC ACIDS Download PDF

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Publication number
RU2007108959A
RU2007108959A RU2007108959/04A RU2007108959A RU2007108959A RU 2007108959 A RU2007108959 A RU 2007108959A RU 2007108959/04 A RU2007108959/04 A RU 2007108959/04A RU 2007108959 A RU2007108959 A RU 2007108959A RU 2007108959 A RU2007108959 A RU 2007108959A
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RU
Russia
Prior art keywords
benzoic acids
producing
chloresulphonylbenbenzamides
hours
alkyl substituted
Prior art date
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RU2007108959/04A
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Russian (ru)
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RU2343144C1 (en
Inventor
Алексей Валерьевич Тарасов (RU)
Алексей Валерьевич Тарасов
Юрий Александрович Москвичев (RU)
Юрий Александрович Москвичев
Петр Константинович Писарев (RU)
Петр Константинович Писарев
Анастаси Ардальоновна Никифорова (RU)
Анастасия Ардальоновна Никифорова
Андрей Сергеевич Быченков (RU)
Андрей Сергеевич Быченков
Original Assignee
Ярославский государственный технический университет (RU)
Ярославский государственный технический университет
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Priority to RU2007108959/04A priority Critical patent/RU2343144C1/en
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Claims (2)

1. Способ получения 3-хлорсульфонилбензамидов из бензойных кислот, отличающийся тем, что бензойные кислоты подвергают взаимодействию с трехкратным избытком хлорсульфоновой кислоты при 100-150°С в течение 1,0-2,5 ч и дальнейшему амидированию сульфаминовой кислотой или ее N-алкилзамещенным при 80-100°С в течение 1,0-1,5 ч.1. The method of producing 3-chlorosulfonylbenzamides from benzoic acids, characterized in that the benzoic acids are reacted with a triple excess of chlorosulfonic acid at 100-150 ° C for 1.0-2.5 hours and further amidation with sulfamic acid or its N-alkyl substituted at 80-100 ° C for 1.0-1.5 hours 2. Способ по п.1, отличающийся тем, что вместо сульфаминовой кислоты используется мочевина или ее N-алкилзамещенное.2. The method according to claim 1, characterized in that instead of sulfamic acid, urea or its N-alkyl substituted is used.
RU2007108959/04A 2007-03-12 2007-03-12 Method of obtaining 3-chlorsulphonylbenzamides from benzoic acids RU2343144C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2007108959/04A RU2343144C1 (en) 2007-03-12 2007-03-12 Method of obtaining 3-chlorsulphonylbenzamides from benzoic acids

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2007108959/04A RU2343144C1 (en) 2007-03-12 2007-03-12 Method of obtaining 3-chlorsulphonylbenzamides from benzoic acids

Publications (2)

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RU2007108959A true RU2007108959A (en) 2008-09-20
RU2343144C1 RU2343144C1 (en) 2009-01-10

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RU2007108959/04A RU2343144C1 (en) 2007-03-12 2007-03-12 Method of obtaining 3-chlorsulphonylbenzamides from benzoic acids

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RU2343144C1 (en) 2009-01-10

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Effective date: 20090313