SU181102A1 - - Google Patents
Info
- Publication number
- SU181102A1 SU181102A1 SU949500A SU949500A SU181102A1 SU 181102 A1 SU181102 A1 SU 181102A1 SU 949500 A SU949500 A SU 949500A SU 949500 A SU949500 A SU 949500A SU 181102 A1 SU181102 A1 SU 181102A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- acid
- calculated
- found
- dilithium
- neutralization
- Prior art date
Links
- 239000002253 acid Substances 0.000 description 11
- RTZKZFJDLAIYFH-UHFFFAOYSA-N diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- WEVYAHXRMPXWCK-UHFFFAOYSA-N acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 4
- 230000005591 charge neutralization Effects 0.000 description 4
- 230000001264 neutralization Effects 0.000 description 4
- 238000006386 neutralization reaction Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- FVDFOPLANFYOJD-UHFFFAOYSA-N 2-ethylbenzene-1,3-dicarboxylic acid Chemical compound CCC1=C(C(O)=O)C=CC=C1C(O)=O FVDFOPLANFYOJD-UHFFFAOYSA-N 0.000 description 2
- WPYMKLBDIGXBTP-UHFFFAOYSA-N Benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 2
- UHOVQNZJYSORNB-UHFFFAOYSA-N benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- VLKZOEOYAKHREP-UHFFFAOYSA-N hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- -1 methyl alkyl benzenes Chemical class 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 230000002194 synthesizing Effects 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- XBVFRINUJXHFCH-UHFFFAOYSA-N 2-butylbenzene-1,3-dicarboxylic acid Chemical compound CCCCC1=C(C(O)=O)C=CC=C1C(O)=O XBVFRINUJXHFCH-UHFFFAOYSA-N 0.000 description 1
- 239000005711 Benzoic acid Substances 0.000 description 1
- XNGIFLGASWRNHJ-UHFFFAOYSA-N Phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 1
- 229960003703 Sodium thiosalicylate Drugs 0.000 description 1
- NBOMNTLFRHMDEZ-UHFFFAOYSA-N Thiosalicylic acid Chemical compound OC(=O)C1=CC=CC=C1S NBOMNTLFRHMDEZ-UHFFFAOYSA-N 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 235000010233 benzoic acid Nutrition 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- SSGWVSXDZMOXDW-UHFFFAOYSA-N butylsulfonylbenzene Chemical compound CCCCS(=O)(=O)C1=CC=CC=C1 SSGWVSXDZMOXDW-UHFFFAOYSA-N 0.000 description 1
- CURLTUGMZLYLDI-UHFFFAOYSA-N carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 1
- 235000011089 carbon dioxide Nutrition 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000000875 corresponding Effects 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000005712 crystallization Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- YXHKONLOYHBTNS-UHFFFAOYSA-N diazomethane Chemical compound C=[N+]=[N-] YXHKONLOYHBTNS-UHFFFAOYSA-N 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 239000008079 hexane Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000000543 intermediate Substances 0.000 description 1
- VQTUBCCKSQIDNK-UHFFFAOYSA-N isobutene Chemical group CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 description 1
- 238000006263 metalation reaction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000000825 pharmaceutical preparation Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- LGMGPNAOZRUYCD-UHFFFAOYSA-N tert-butylsulfonylbenzene Chemical compound CC(C)(C)S(=O)(=O)C1=CC=CC=C1 LGMGPNAOZRUYCD-UHFFFAOYSA-N 0.000 description 1
- 229940103494 thiosalicylic acid Drugs 0.000 description 1
- 150000005219 trimethyl ethers Chemical class 0.000 description 1
Description
СПОСОБ ПОЛУЧЕНИЯ 2,6-ДИЛИТИЙ-1-АЛКИЛБЕНЗОЛОВMETHOD OF OBTAINING 2,6-DILITHIUM-1-ALKYLBENZENES
2,6-Дилитий- -алкилбензолы ранее не были описаны.2,6-dilithium-alkylbenzenes have not previously been described.
Предложен способ получени 2,6-днлнтий-1алкилбензолов , заключающийс RO взанмодействии грет-бутилфенилсульфона с избытком литийалкнла при комнатной температуре.A method for the preparation of 2,6-dln-1-alkyl benzenes is proposed, which consists of RO reacting with heated butyl phenyl sulfone with an excess of lithium alkyl at room temperature.
Полученные дилитийалкилбензолы могут быть использованы дл синтеза соответствующих алкнл-бис-тнолов, алкил-бис-сульфидов и других соединений, которые смогут найти применение в качестве полупродуктов дл синтеза красителей, фармапевтических препаратов и др.The resulting methyl alkyl benzenes can be used to synthesize the corresponding alknis-bis-tnols, alkyl bis-sulfides and other compounds that can be used as intermediates for the synthesis of dyes, pharmaceutical preparations, etc.
Строение дилитийалкилбензолов доказываетс химическими превран1еии мн.The structure of the dilithium alkyl benzenes is proved by chemical transformations of pl.
Пример 1. 2-Этилизофталева кислота из 1-этил-2,6-днлитийбензола.Example 1. 2-Ethylisophthalic acid from 1-ethyl-2,6-dnithium benzene.
9,9 г (0,05 лшль) грег-бутилфенилсульфона (т. пл. 97-98,5°С) раствор ли в 100 ли сухого тетрагидрофурана, н при -65°С (-70°С) и размещивании добавл ли в течение 15 лиш 5,7 г (0,16 люль) этиллити в 26 .мл эфира. Реакционную массу размещивали при этой температуре в течение 8 час, затем температуру доводили до комнатной, н смесь оставл ли на ночь (все операции проводили в токе сухого инертного газа).9.9 g (0.05 lbl) of greg-butylphenylsulfone (mp. 97-98.5 ° C) was dissolved in 100 li of dry tetrahydrofuran, at -65 ° C (-70 ° C) and the placement was added for 15 extras, 5.7 g (0.16 lul) ethyl in 26. ml of ether. The reaction mass was placed at this temperature for 8 hours, then the temperature was brought to room temperature, and the mixture was left overnight (all operations were carried out in a stream of dry inert gas).
добавл ли воду, водный слой отдел ли, нромывали эфиром и подкисл ли. Выделивщуюс кислоту отфильтровывали, промывали водой н высушивали. Получено 4,2 г (42%) 2-этилнзофталевой кислоты; т. нл. 247-249 С (из ацетонитрила). Экв. нейтрализации найдено 96,7%, вычислено 97%. Кислота легко возгон етс при 200-210°С (1 мм}, кристаллизуетс из кип ш ей азотной кислоты уд. в. 1,5.water was added, the aqueous layer was separated, washed with ether and acidified. The separated acid was filtered, washed with water and dried. Obtained 4.2 g (42%) of 2-ethylnzophthalic acid; so nl 247-249 C (from acetonitrile). Equ. neutralization found 96.7%, calculated 97%. The acid easily sublimates at 200-210 ° C (1 mm}, crystallizes from boiling nitric acid, beats in. 1.5.
Пайдено, %; С 61J2; 61,72; П 5,05, 5,03.Paydeno,%; C 61J2; 61.72; P 5.05, 5.03.
С1оП1оС)4. Вычислено, %: С 61,84; П 5,19. 2-Этилизофталева кислота при нагревании в запа нной трубке с концентрированной азотной кислотой при 160-180°С в течение 5 час. окисл етс в гемимеллитовую кислоту; т. нл. 189С (с разлол ;ением). Триметиловый эфир, нолученный реакцией с диазометаном, имеет т. пл. 99°С (по литературным данным, т. пл. 100°С).С1оП1оС) 4. Calculated,%: C, 61.84; P 5.19. 2-Ethylisophthalic acid when heated in a sealed tube with concentrated nitric acid at 160-180 ° C for 5 hours. it is oxidized to hememellitic acid; so nl 189С (with splitting;) The trimethyl ether, obtained by reaction with diazomethane, has an mp. 99 ° С (according to literary data, t. Pl. 100 ° С).
Пайдено, %: С 57,17; 57,15; П 4,82; 5,02. CiaHiaOo.Paydeno,%: C 57.17; 57.15; P 4.82; 5.02. CiaHiaOo.
Вычнслено, %: С 57,14; П 4,79.Calcd.,%: C 57.14; P 4.79.
Пример 2. 2-Бутилизофталева кислота.Example 2. 2-Butylisophthalic acid.
фталевой кислоты. Т. пл. 201-203°С (из ацетонитрила ), экв. нейтрализации найдено 110,5%, вычислено 111,1%. Найдено, %: С 64,65; 64,45; Н 6,30; 6,30.phthalic acid. T. pl. 201-203 ° C (from acetonitrile), eq. neutralization found 110.5%, calculated 111.1%. Found,%: C 64.65; 64.45; H 6.30; 6.30.
CizHuOiВычислено , %: С 64,83; Н 6,36.CizHuOiCalculated,%: C 64.83; H 6.36.
Если не доводить реакцию до конца, а носле 8 час размешивани при -70°С реакционную массу вылить на раствор сухого льда в эфире, то получаетс о-грет-бутилсульфонилбензойна кислота с выходом 47%. Т. пл. 177-179С (с разложением). Эта кислота кристаллизуетс из воды с одной молекулой растворител .If the reaction is not completed and after 8 hours of stirring at -70 ° C, the reaction mass is poured onto a solution of dry ice in ether, then o-hot-butylsulfonyl benzoic acid is obtained with a yield of 47%. T. pl. 177-179С (with decomposition). This acid crystallizes from water with one solvent molecule.
Экв. нейтрализации найдено 259%, вычислено 260%.Equ. neutralization found 259%, calculated 260%.
НгО. NgO.
Высушенна в вакууме при 120°С кислота тер ет кристаллизационную воду.Dried under vacuum at 120 ° C, the acid loses water of crystallization.
Экв. нейтрализации найдено 242%, вычислено 241%.Equ. neutralization found 242%, calculated 241%.
Найдено, %: С 54,51; 54,32; Н 5,74; 5,57; S 13,53; 13,47.Found,%: C 54.51; 54.32; H 5.74; 5.57; S 13.53; 13.47.
CiiHi4O4.CiiHi4O4.
Вычислено, %: С 54,59; Н 5,78; S 13,24. о-Г оег-бутилсульфонилбензойна кислота не описанна в литературе, была полученаCalculated,%: C 54.59; H 5.78; S 13.24. o-og-butylsulfonylbenzoic acid not described in literature, was obtained
встречным синтезом. Из тиосалициловой кислоты и изобутилена в 75%-ной N2804 получена о-г/7ег-бутилмеркаптобензойна кислота с выходом 56%; т. пл. 80-81°С (из гексана).counter synthesis. O-g / 7g-butylmercaptobenzoic acid was obtained from thiosalicylic acid and isobutylene in 75% N2804 in 56% yield; m.p. 80-81 ° C (from hexane).
Найдено, %: С 63,09; 62,91; Н 6,81; 6,53; S 15,29; 15,13.Found,%: C 63.09; 62.91; H 6.81; 6.53; S 15.29; 15.13.
/ ГТ / О/ GT / O
вычислено, %; С 62,83; Н 6,72; S 15,25.calculated%; C, 62.83; H 6.72; S 15.25.
Окислением о-грег-бутилмеркаптобензойной кислоты перекисью водорода в уксусной кислоте получена о-г/ ег-бутилсульфонилбензойна кислота. Т. пл. 177-179°С. Смешанна проба ее не дала депрессии при плавлении с кислотой, полученной металлированием третбутилфенилсульфона .By oxidation of o-greg-butylmercaptobenzoic acid with hydrogen peroxide in acetic acid, o-g / er-butylsulfonylbenzoic acid was obtained. T. pl. 177-179 ° C. Its mixed sample did not give depression when melted with an acid obtained by metallation of tert-butylphenylsulfone.
Найдено, %: Found%:
с 54,78; 54,74; Н 5,91; 5,81; S 13,15; 13,28.c 54.78; 54.74; H 5.91; 5.81; S 13.15; 13.28.
CiiHi4O4S.CiiHi4O4S.
Вычислено, %: С 54,59; Н 5,78; S 13,24. Calculated,%: C 54.59; H 5.78; S 13.24.
0 Предмет изобретени 0 subject invention
Способ получени 2,6-дилитий-1-алкилбензолов , отличающийс тем, что грег-бутилфе25 нилсульфон подвергают взаимодействию с избытком литийалкила.A process for the preparation of 2,6-dilithium-1-alkyl benzenes, characterized in that Greg-butyl-25-nylsulfone is reacted with an excess of lithium alkyl.
Publications (1)
Publication Number | Publication Date |
---|---|
SU181102A1 true SU181102A1 (en) |
Family
ID=
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Vedejs et al. | Generation of. alpha.-oxo dithioesters by dithiolanium ylide cycloreversion. Synthesis of 2-acyl-3, 6-dihydro-2H-thiopyrans | |
RU2235717C2 (en) | Method for preparing (nitroxymethyl)phenyl esters of derivatives of salicylic acid | |
CN110551115B (en) | Oxazoline ligand, preparation method and application thereof | |
US4874558A (en) | Polymer catalyzed synthesis of acid anhydrides | |
SU181102A1 (en) | ||
CN104557957B (en) | Synthetic method of spiro-oxoindole ethylene oxide derivative | |
CN115197261B (en) | Synthesis method of oxadiazine boron derivative | |
JP2024526257A (en) | Vinyl thianthrenium compounds, methods for preparing same, and their use for transferring vinyl groups - Patents.com | |
CN112390735B (en) | Preparation method of allyl nitrile compound | |
EP0091851A1 (en) | Process for preparing aryl ethers carrying different substituents on the two aromatic nuclei | |
CN110003105B (en) | Axial chiral pyridine compound, and preparation method and application thereof | |
EP0032275B1 (en) | Process for the preparation of substituted 2-hydroxy-benzophenones | |
CN110818651A (en) | Method for synthesizing alkenyl trifluoromethyl oxazolidine compound from alkynylamide | |
KR100201518B1 (en) | Process for the preparation of 2-alkyl-4-acyl-6--i (tert)-butylphenol compounds | |
CN114276223B (en) | Synthetic method of alpha-iodine-alpha-trifluoromethyl arylethanone | |
CN117651696A (en) | Vinyl thianthrene onium compounds, method for the production thereof and use thereof for transferring vinyl groups | |
RU2345982C2 (en) | Synthesis of esters of 2-chloromethyl-6-methylbenzoic acid | |
Dawson et al. | An improved synthesis of 3-N-pentadecyl catechol (3-PDC) | |
JP4030289B2 (en) | Process for producing β-ketonitriles | |
SU196809A1 (en) | ||
RU2297410C2 (en) | Method for preparing 4,5,6,7-tetrahydroindole | |
CN116496136A (en) | Diaryl sulfone compound and preparation method thereof | |
JPH10310567A (en) | Crystallization of 3-amino-2-(n-alkoxycarbonyl) aminopropionic acid ester-substituted benzenesulfonic acid salt | |
SU335244A1 (en) | METHOD FOR PRODUCING 1,2-EPOXYPROPYL ETHER p, p-PENGAMETHYLENE OR METHYL-p, p-PENTAMETILEE-glycic acid | |
TW202329943A (en) | Preparation method of isoxazole derivatives and intermediates thereof |