KR840004053A - 페닐알카노산의 제조방법 - Google Patents
페닐알카노산의 제조방법 Download PDFInfo
- Publication number
- KR840004053A KR840004053A KR1019830001053A KR830001053A KR840004053A KR 840004053 A KR840004053 A KR 840004053A KR 1019830001053 A KR1019830001053 A KR 1019830001053A KR 830001053 A KR830001053 A KR 830001053A KR 840004053 A KR840004053 A KR 840004053A
- Authority
- KR
- South Korea
- Prior art keywords
- hydrogen
- formula
- preparing
- hydroxy
- compound
- Prior art date
Links
- 239000002253 acid Substances 0.000 title claims 3
- 238000000034 method Methods 0.000 title claims 2
- 229910052739 hydrogen Inorganic materials 0.000 claims 4
- 239000001257 hydrogen Substances 0.000 claims 4
- 150000001875 compounds Chemical class 0.000 claims 3
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims 3
- 239000003960 organic solvent Substances 0.000 claims 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims 2
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims 2
- 239000000203 mixture Substances 0.000 claims 2
- -1 Alkali metal cyanide Chemical class 0.000 claims 1
- 229910052783 alkali metal Inorganic materials 0.000 claims 1
- 150000008044 alkali metal hydroxides Chemical class 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 claims 1
- 239000002904 solvent Substances 0.000 claims 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/08—Preparation of carboxylic acids or their salts, halides or anhydrides from nitriles
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D263/00—Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings
- C07D263/52—Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings condensed with carbocyclic rings or ring systems
- C07D263/54—Benzoxazoles; Hydrogenated benzoxazoles
- C07D263/56—Benzoxazoles; Hydrogenated benzoxazoles with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached in position 2
- C07D263/57—Aryl or substituted aryl radicals
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
Claims (2)
- 일반식(Ⅱ)의 화합물을 불활성유기용매 존재하에 촉매적으로 수소화시켜 일반식(Ⅲ)의 화합물을 생성하고; 여기에 알칼리금속 시안화물을 가하고; 이를 약 100°내지 약 150°에서 일반식(Ⅳ) 화합물이 생성될때까지 유지시키고; 용매를 제거하고; 수성알칼리금속 수산화물을 가하고; 이를 약 75°내지 125°에서 생성물이 생성될때까지 유지시키고; 혼합물을 산성화하고; 냉각하고; 불활성 유기용매로 혼합물을 추출하고; 유기용매로부터 산을 분리함을 특징으로 하여 일반식(Ⅰ)의 산을 제조하는 방법.상기 식에서, R은 수소 또는 C1-C3알킬이고; R1및 R2중 하나는 수소이고 나머지는 하이드록시이며; 단, R2가 하이드록시이면 R은 수소 또는 메틸이고; R5는 -OH이다.
- 제 1항에 있어서, R이 메틸이고, R1은 하이드록시이며 R2는 수소인 방법.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/361,293 US4415751A (en) | 1981-03-27 | 1982-03-24 | Process for preparing phenylalkanoic acids |
US361293 | 1982-03-24 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR840004053A true KR840004053A (ko) | 1984-10-06 |
KR860000873B1 KR860000873B1 (ko) | 1986-07-11 |
Family
ID=23421452
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019830001053A KR860000873B1 (ko) | 1982-03-24 | 1983-03-16 | 페닐알카노산의 제조방법 |
Country Status (7)
Country | Link |
---|---|
US (1) | US4415751A (ko) |
EP (1) | EP0089805A3 (ko) |
JP (1) | JPS58172344A (ko) |
KR (1) | KR860000873B1 (ko) |
GB (1) | GB2116972B (ko) |
GR (1) | GR77169B (ko) |
IL (1) | IL68125A0 (ko) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4483800A (en) * | 1982-06-07 | 1984-11-20 | Ethyl Corporation | Preparation of 4-(α-alkyl-α-cyano-methyl)-2,6-di-substituted phenols |
US4487722A (en) * | 1983-07-20 | 1984-12-11 | Ethyl Corporation | Method of preparing 4-(α-hydrocarbyl-α-cyanomethyl)2,6-di-substituted phenols |
JPS61251601A (ja) * | 1985-04-02 | 1986-11-08 | Norin Suisansyo Kajiyu Shikenjo | 果樹の摘花剤 |
US5149866A (en) * | 1991-08-14 | 1992-09-22 | Hoechst Celanese Corporation | Process for the preparation of omega-arylalkanoic acids |
JP2001355398A (ja) * | 2000-06-12 | 2001-12-26 | Denki Kagaku Kogyo Kk | トンネル防水方法 |
CN1300090C (zh) * | 2005-03-02 | 2007-02-14 | 杭州师范学院 | 一种芳基乙酸的制备方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3496211A (en) * | 1966-05-19 | 1970-02-17 | Geigy Chem Corp | Preparation of cyanoalkylated phenols by the reaction of a metal cyanide and hydroxy benzyl phenols |
US3984460A (en) * | 1973-09-25 | 1976-10-05 | Ciba-Geigy Corporation | Esters of trisubstituted hydroxyphenylalkanoic acids |
EP0038656B1 (en) * | 1980-04-23 | 1983-07-20 | Imperial Chemical Industries Plc | An improved process for the manufacture of p-hydroxybenzyl cyanide |
JPS57149241A (en) * | 1981-03-13 | 1982-09-14 | Nissan Chem Ind Ltd | Preparation of 4-hydroxyphenylacetic acid |
GR75153B (ko) * | 1981-03-27 | 1984-07-13 | Lilly Co Eli |
-
1982
- 1982-03-24 US US06/361,293 patent/US4415751A/en not_active Expired - Fee Related
-
1983
- 1983-03-14 IL IL68125A patent/IL68125A0/xx unknown
- 1983-03-16 GB GB08307200A patent/GB2116972B/en not_active Expired
- 1983-03-16 KR KR1019830001053A patent/KR860000873B1/ko active IP Right Grant
- 1983-03-16 EP EP83301460A patent/EP0089805A3/en not_active Withdrawn
- 1983-03-17 JP JP58047004A patent/JPS58172344A/ja active Pending
- 1983-03-22 GR GR70841A patent/GR77169B/el unknown
Also Published As
Publication number | Publication date |
---|---|
KR860000873B1 (ko) | 1986-07-11 |
GB2116972B (en) | 1986-01-08 |
JPS58172344A (ja) | 1983-10-11 |
EP0089805A2 (en) | 1983-09-28 |
US4415751A (en) | 1983-11-15 |
IL68125A0 (en) | 1983-06-15 |
GB2116972A (en) | 1983-10-05 |
GB8307200D0 (en) | 1983-04-20 |
GR77169B (ko) | 1984-09-10 |
EP0089805A3 (en) | 1984-04-11 |
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