SU459886A3 - Способ получени -(аминофенил)алифатических карбоновых кислот или их солей - Google Patents

Способ получени -(аминофенил)алифатических карбоновых кислот или их солей

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SU459886A3
SU459886A3 SU1815022A SU1815022A SU459886A3 SU 459886 A3 SU459886 A3 SU 459886A3 SU 1815022 A SU1815022 A SU 1815022A SU 1815022 A SU1815022 A SU 1815022A SU 459886 A3 SU459886 A3 SU 459886A3
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USSR - Soviet Union
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acid
aza
salts
bicyclo
aminophenyl
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SU1815022A
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Виллиам Джеймс Карней Рихард
Де Стивенс Джордж
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"Циба-Гейги Аг" (Фирма)
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  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
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  • Hydrogenated Pyridines (AREA)
  • Pyrrole Compounds (AREA)

Description

(54) СПОСОБ ПОЛУЧЕНИЯ а-(АМИНОФЕНИЛ)АЛИФАТИЧЕСКИХ КАРБОНОВЫХ КИСЛОТ ИЛИ ИХ СОЛЕЙ
тилэтил. Фенилен Ph, содержащий трет.-аминогруппу структурной формулы Ji в положении 2 или 3, предпочтительно в положении 4, незамещен или может содержать в остальных положени х один или несколько, предпочтительно один или два, одинаковых или неодинаковых заместителей. Последними  вл ютс  низший алкил, например метил, этил, н-пропил, изопропил, н-бутил или изобутил; свободные этерифицированные в простой или сложный эфир окси- или меркаптогруппы , такие, как низший алкокси-, например метокси-, ЭТОКСИ-, н-пропилокси-, изопроПИЛОКСИ- , н-бутилокси- или изобутилоксигруппа , низший алкилмеркапто-, в частности метилмеркапто- или этилмеркапто-группа; атомы галогена, например фтора, хлора или брома; трифторметилгруппы, нитро-, аминогруппы , предпочтительно ди-низший алкиламино- , в частности диметиламино-, М-этил-Мметиламино- , диэтиламино-, ди-н-пропиламиНО- , диизопропиламино-, ди-н-бутиламино- или диизобутиламиногруппы, или другие группы
со структурой А N-, а также низший алканоиламино- , например ацетиламино- или пивалоиламиногруппа, свободные или функционально модифицированные карбоксигруппы , такие, как циан, карбамоил, ди-низший алкилкарбамоил, в частности диметилкарбамоил , а также карбо-низший алкокси-, например карбометокси- или карбэтоксигруппа, или свободные или функционально модифицированные сульфогруппы, как низший алкилсульфонил , например метил- или этилсульфонил , сульфамоил, например диметилсульфамоил .
Фенилен Ph обозначает предпочтительно 1,3 (или 1,4)-фенилен, (низший алкил)-,3 (или 1,4)-фенилен, (низший алкокси)-,3 (или 1,4)-фенилен, (моно- или дигалоген)-1,3 (или ,4)-фенилен, (трифторметил)-,3 (или ,4фенилен , (амино)-1,3(или 1,4)-фенилен, (динизший алкиламино) ,3(или ,4)-фенилен или
( -1,3(или 1,4)-фенилен. Циклической третичной аминогруппой
4. ISr вл етс , например, моструктуры
V., X
ноциклическа  или бициклическа  низший алкиленамино- или низший алкениленаминогруппа (т. е. Ы-азациклоалк(ен)ил- или N-азабициклоалк (ен)ил), например этиленамино-, азетидино-, пирролидино-, 3-пирролинопипеРИДИНО- , 3-пиперидино-, 1,4-пентиленамино-, 2,5- или 1,6-гексиленамино- или 2,6- или 1,7гептиленаминогруппа , а также 2-аза-2-бицикло 2,2,1 гептил, 2-аза-2-бицикло 2,2,2 октил, 2-аза-2-бицикло 3,2,1 октил, 3-аза-З-бицикло 3,2,1 октил, 3-аза-З-бицикло 3,3,0 октил, 2,2аза-2-бицикло 3 ,2,2 нонил, 2-аза-2-бицикло 3,3,1 нонил, 3-аза-З-бицикло 3,2,2 нонил, 3аза-3 - бицикло 3,3,1 нонил, 2-аза-2-бицикло 4,3,0 нонил, 3-аза-З-бицикло 4,3,1 нонил, 7аза-7 - бицикло 4,3,0 нонил, 8-аза-8-бицикло
4,3,0 нонил, 2-аза-2-бицикло 4,4,0 децил или 3-аза-З-бицикло 4,4,0 деци л.
Остатком структуры может быть
V.
также моноциклическа  моноокса-низшии алкилен- или монотиа-низший алкиленаминоили моно-аза-низший алкиленаминогруппа, в
которой атом азота азагруппы может быть замещен низшим алкилом, окси-низшим алкилом , фенил-низшим алкилом или фенилом, причем ароматические группы могут содержать такие же заместители, как и приведенный выше остаток фенилен.
В описанных выше группах гетероатомы отделены друг от друга по меньшей мере одним , предпочтительно двум  атомами углерода . Такими остатками  вл ютс , например,
пиперазино-, 4-метилпиперазино-, 4-этилпиперазино- , 4-2-оксиэтилпиперазино-, 4-бензилпиперазино- или 4-фенилпиперазино-, 3-аза-, 6гексиленамино , 3-метил-З-аза-1,6-гексиленамиНО- , 3-этил-3-аза-,6-гексиленамино-, 4-аза-,7гептиленамино- , 4-метил-4-аза-,7-гептиленамино- или 4-этил-4-аза-1,7-гептиленамино-, морфолино-, 3,5-диметилморфолино-, тетрагидро- ,3-оксазолил- или тиоморфолино-остаток .
Указанные выше циклические третичные аминогруппы могут содержать, например, приведенные дл  фенилена заместители, в частности свободные или этерифицированные в простой или сложный эфир окси- или меркаптогруппы , такие, как низший алкокси- или низший алкаиоилоксигруппы или оксогруппы, а также низший алкил.
Предлагаемый способ получени  соединений общей формулы I заключаетс  в том, что
соединение общей формулы
Е, О О
-чI IMI
А } r-Ph-(-(-d-OH Б
R
декарбонилируют.
Декарбонилирование карбоксикарбонильной группы провод т в услови х пиролиза, предпочтительно в присутствии медного порошка .
Полученную свободную кислоту можно превратить в соль, например, взаимодействием с приблизительно стехиометрическим количестBOM аммиака, амина или гидроокиси, карбоната или гидрокарбоната щелочиого или щелочноземельного металла. Обработкой кислотой, в частности сол ной, серной или уксусной, образовавшуюс  соль можно снова перевести в свободную кислоту.
Полученное соединение можно перевести в кислотно-аддитивную соль, подверга  его взаимодействию , например, с органической или неорганической кислотой или с соответствуюпд ,им анионообменником. Кислотно-аддитивную соль можно превратить в свободное соединение обработкой ее основанием, например гидроокисью щелочного металла, аммиаком или гидроксиланионообменником. Фармацевтически употребл емыми атоксичными кислотно-аддитивными сол ми  вл ютс , например , соли таких неорганических кислот, как сол на , бромистоводородна , серна , фосфорна , азотна  или хлорна , или таких органических кислот, как муравьина , уксусна , пронионова ,  нтарна , гликолева , молочна ,  блочна , винна , лимонна , аскорбинова , малеинова , оксималеинова , пировиноградиа , фенилуксусна , бензойна , 4-аминобензойна , антранилова , 4-оксибензойна , салицилова , аминосалицилова , эмбоиова  или никотинова , метансульфонова , зтаисульфонова , оксиэтансульфонова , этиленсульфонова , бензолсульфонова , галогеибеизолсульфонова , толуолсульфонова , нафталинсульфонова , сульфанилова  или циклогексилсульфаминова , а также метионии, триптофан, лизин или аргинин.
Эти соли, а также никраты можно использовать также дл  очистки. Например, свободные кислоты можно превратить в их соли, выделить последние из сырой смеси и затем из них получить свободные соединени .
Полученные смеси изомеров можно разделить на отдельные изомеры известным способом , например путем фракционированной дистилл ции или кристаллизации и/или хроматографии . Рацемические продукты можно расщепить на оптические антиподы, например, путем разделени  диастереоизомерных солей фракционированной кристаллизацией с d- или /-ВИИИОЙ кислотой, d-cc-фенилэтиламииом, d-oc (1-иафтил)-этиламииом или 1-динхонидином.
Пример 1. 32,3 г 3-(3-хлор-4-пиперидинофеиил )-2-оксомасл ной кислоты медленно нагревают под давлением (15 мм рт. ст.) до 175°С, поддержива  эту температуру до прекращени  образовани  окиси углерода. Приблизительно через 6 час остаток раствор ют в 300 мл 5%-ного водного раствора едкого натра, промывают диэтиловым эфиром и довод т значение рН до 5,5 сол ной кислотой, после чего приливают водный раствор гидрофосфата дикали  в качестве буфера и экстрагируют диэтиловым эфиром. Органический экстракт высущивают, упаривают и остаток кристаллизуют из гексаиа. Получают 2-(3хлор-4-пиперидинофеиил ) -пропионовую кислоту , т. пл. 95-97°С. Натриева  соль этой
кислоты (после перекристаллизации из диэтилового эфира) плавитс  при 206-210°С, а гидрохлорнд (после перекристаллизации из смеси этанола-диэтиловый эфир) при 198- 200°С.
Исходный материал можно получить следующим образом.
Смесь 93 г З-хлор-4-нитроэтилбензола, 127 г оксалилхлорида и 300 мл сухого нитробензола кип т т 48 час с обратным холодильником и после охлаждени  разбавл ют водой. Образовавщийс  раствор экстрагируют диэтиловым эфиром. Получают 3-(3-хлор-4-нитрофенил )-2-оксомасл ную кислоту, которую можно дальще обрабатывать без очистки.
100 г 3-(3-хлор-4-нитрофенил)-2-оксомасл иой кислоты в 200 мл уксусной кислоты гидрируют под давлением (- 3 атм) в присутствии 3 г 10%-ного паллади  на угле в качестве катализатора. По окончании поглощени  водорода реакционную смесь фильтруют и фильтрат выпаривают в вакууме. Получают 3- (4-амино-З-хлорфенил) -2-оксомасл ную кислоту .
Смесь 95 г 3-(4-амино-З-хлорфенил)-2-оксомасл иой кислоты, 129 г 1,5-дибромпентана, 106 г карбоната натри  и 300 мл диметилформамида нагревают 5 час при 100°С и затем упаривают досуха. Остаток раствор ют в
5%-иом водном растворе едкого натра. Остаток промывают диэтиловым эфиром и сол ной кислотой, довод т значение рН до 5, после чего экстрагируют диэтиловым эфиром, органический раствор промывают водой, высущивают и упаривают в вакууме. Получают 3- (3-хлор - 4-пиперидинофенил) -2 - оксомасл иую кислоту.
Аналогично, использу  соответствующие исходные материалы, получают следующие соединеии :
а-циклопропил-:а-(4 - пиперидинофенил)-уксусна  кислота, т. пл. 149-151°С (метанол); З-хлор-4-пирролидииофенилуксусна  кислота , т. пл. гидрохлорида 194-19&°С (смесь метанол-простой эфир); 4-пирролидинофенилуксусна  кислота, т. пл. 138-141°С; З-хлор-4морфолинофенилуксусна  кислота, т. пл. 125- 126°С (смесь простой эфир-петролейный эфир);
З-хлор-4-пиперидинофенилуксусна  кислота, т. пл. 106-107°С (смесь простой эфир--нетролейный эфир);
4-пиперидинофенилуксусна  кислота, т. пл. ее гидрохлорида 189-193°С (изоиропапол);
а-(4-пиперидииофенил)-пропионова  кислота , т. пл. 91-94°С (смесь диэтиловый эфир-петролейный эфир), т. пл. гидрохлорида 211-214°С (смесь изопропанол-простой эфир); 4-морфолинофенилуксусна  кислота,
т. пл. 111-113°С (смесь этанол-простой эфир); 3-пиперидинофенилуксусна  кислота, т. пл. гидрохлорида 242-245°С (вода);
а- (4-пирролидинофенил) -пропионова  кислота , т. пл. 142°С (смесь простой эфир-петролейный эфир);
SU1815022A 1968-03-27 1969-03-25 Способ получени -(аминофенил)алифатических карбоновых кислот или их солей SU459886A3 (ru)

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SU1493629A SU421191A3 (ru) 1968-03-27 1969-03-25 СПОСОБ ПОЛУЧЕНИЯ ТРЕТИЧНЫХ АЛ1ИНОКИСЛОТ ИЛИ ИХ СЛОЖНЫХ ЭФИРОВ, или АМИДОВ, или их СОЛЕЙ
SU1493628A SU419029A3 (ru) 1968-03-27 1969-03-25 Способ получения третичных аминокислотили их солей
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