KR840002200B1 - 파라-토실클로 라이드의 정제방법 - Google Patents
파라-토실클로 라이드의 정제방법 Download PDFInfo
- Publication number
- KR840002200B1 KR840002200B1 KR8201071A KR820001071A KR840002200B1 KR 840002200 B1 KR840002200 B1 KR 840002200B1 KR 8201071 A KR8201071 A KR 8201071A KR 820001071 A KR820001071 A KR 820001071A KR 840002200 B1 KR840002200 B1 KR 840002200B1
- Authority
- KR
- South Korea
- Prior art keywords
- para
- tosyl chloride
- ptc
- toluene
- chloride
- Prior art date
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- YYROPELSRYBVMQ-UHFFFAOYSA-N 4-toluenesulfonyl chloride Chemical compound CC1=CC=C(S(Cl)(=O)=O)C=C1 YYROPELSRYBVMQ-UHFFFAOYSA-N 0.000 title claims description 22
- 238000000746 purification Methods 0.000 title claims description 10
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 87
- 238000000034 method Methods 0.000 claims description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 239000012452 mother liquor Substances 0.000 claims description 14
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 7
- 238000001953 recrystallisation Methods 0.000 claims description 7
- 238000006277 sulfonation reaction Methods 0.000 claims description 7
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 238000004090 dissolution Methods 0.000 claims description 5
- 239000006227 byproduct Substances 0.000 claims description 4
- 238000010790 dilution Methods 0.000 claims description 4
- 239000012895 dilution Substances 0.000 claims description 4
- 238000000605 extraction Methods 0.000 claims description 4
- 238000005406 washing Methods 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- -1 reaction step (1) Substances 0.000 claims description 3
- 239000000243 solution Substances 0.000 claims description 3
- 230000018044 dehydration Effects 0.000 claims description 2
- 238000006297 dehydration reaction Methods 0.000 claims description 2
- 239000011259 mixed solution Substances 0.000 claims 1
- 238000002156 mixing Methods 0.000 claims 1
- 150000003460 sulfonic acids Chemical class 0.000 claims 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 8
- 239000012535 impurity Substances 0.000 description 8
- 239000013078 crystal Substances 0.000 description 7
- 239000002904 solvent Substances 0.000 description 7
- 238000003756 stirring Methods 0.000 description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 3
- 239000000920 calcium hydroxide Substances 0.000 description 3
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 3
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 3
- 239000000292 calcium oxide Substances 0.000 description 3
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 238000007670 refining Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- XPDVQPODLRGWPL-UHFFFAOYSA-N 4-(dichlorosulfamoyl)benzoic acid Chemical compound OC(=O)C1=CC=C(S(=O)(=O)N(Cl)Cl)C=C1 XPDVQPODLRGWPL-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000002168 alkylating agent Substances 0.000 description 1
- 229940100198 alkylating agent Drugs 0.000 description 1
- 238000005576 amination reaction Methods 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000008122 artificial sweetener Substances 0.000 description 1
- 235000021311 artificial sweeteners Nutrition 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 1
- VDQQXEISLMTGAB-UHFFFAOYSA-N chloramine T Chemical compound [Na+].CC1=CC=C(S(=O)(=O)[N-]Cl)C=C1 VDQQXEISLMTGAB-UHFFFAOYSA-N 0.000 description 1
- 239000012320 chlorinating reagent Substances 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 125000005265 dialkylamine group Chemical group 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 229960001648 halazone Drugs 0.000 description 1
- IXCSERBJSXMMFS-UHFFFAOYSA-N hcl hcl Chemical compound Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- SYSQUGFVNFXIIT-UHFFFAOYSA-N n-[4-(1,3-benzoxazol-2-yl)phenyl]-4-nitrobenzenesulfonamide Chemical class C1=CC([N+](=O)[O-])=CC=C1S(=O)(=O)NC1=CC=C(C=2OC3=CC=CC=C3N=2)C=C1 SYSQUGFVNFXIIT-UHFFFAOYSA-N 0.000 description 1
- BPZZWRPHVVDAPT-PXAZEXFGSA-N ochratoxin C Chemical compound C([C@@H](C(=O)OCC)NC(=O)C=1C(=C2C(=O)O[C@H](C)CC2=C(Cl)C=1)O)C1=CC=CC=C1 BPZZWRPHVVDAPT-PXAZEXFGSA-N 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- CVHZOJJKTDOEJC-UHFFFAOYSA-N saccharin Chemical compound C1=CC=C2C(=O)NS(=O)(=O)C2=C1 CVHZOJJKTDOEJC-UHFFFAOYSA-N 0.000 description 1
- 229940081974 saccharin Drugs 0.000 description 1
- 235000019204 saccharin Nutrition 0.000 description 1
- 239000000901 saccharin and its Na,K and Ca salt Substances 0.000 description 1
- 239000012047 saturated solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- RLUJQBLWUQZMDG-UHFFFAOYSA-N toluene;hydrochloride Chemical compound Cl.CC1=CC=CC=C1 RLUJQBLWUQZMDG-UHFFFAOYSA-N 0.000 description 1
- 229960001479 tosylchloramide sodium Drugs 0.000 description 1
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/38—Separation; Purification; Stabilisation; Use of additives
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
Claims (5)
- 톨루엔과 염화설폰산을 반응시켜 오르토-토실클로라이드를 제조할 때에 부생되는 파라-토실클로라이드를 회수, 정제함에 있어서, 반응공정(1), 희석공정(2), 용해, 추출공정(6), 재결정공정(8) 및 분리공정(9)으로 이루어져서 정제모액에 함유된 파라-토실클로라이드의 오르토-토실클로라이드를 회수하고 톨루엔은 오르토-토실클로라이드와 파라-토실클로라이드의 제조원료로 ,사용함을 특징으로 하는 파라-토실클로라이드의 정제방법.
- 제1항에 있어서, 반응공정(l)이라 함은 톨루엔에 대한 염화설폰산의 몰비가 1∼4, 구성된 혼합액을 -l5∼20℃에서 30분 3시간동안 염화설폰화을 특징으로 하는 파라-토실클로라이드의 정제방법.
- 제 1항에 있어서, 용해, 추출공정(6)이라 함은 분리공정(3)과 세척공정(4)으로부터 얻어진 조 파라-토실클로라이드와 조 파라-토실클로라이드 1g에 대하여 톨루엔 0.2∼5ml와 톨루엔의 0∼5배(부피)의 물을 혼합하여 20∼40℃에서 용해, 추출시킴을 특징으로 하는 파라-토실클로라이드의 정제방법
- 제1항에 있어서, 재결정공정(8)이라 함은 정치, 탈수공정(7)에서 탈수된 파라-토실클로라이드 함유유기용액을 -30∼30℃로 냉각하여 파라-토실클로라이드를 재결정화함을 특징으로 하는 파라-토실클로라이드의 정제방법
- 제1항에 있어서, 분리공정(9)이라 함은 재결정된 정제 파라-토실클로라이드를 제조함과 동시에 정제모액을 반응공정(1) 또는 용해, 추출공정(6)으로 이송시킴을 특징으로 하는 파라-토실클로라이드의 정제방법.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR8201071A KR840002200B1 (ko) | 1982-03-12 | 1982-03-12 | 파라-토실클로 라이드의 정제방법 |
JP57224824A JPS5932461B2 (ja) | 1982-03-12 | 1982-12-21 | p−トルエンスルホン酸クロリドの精製方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR8201071A KR840002200B1 (ko) | 1982-03-12 | 1982-03-12 | 파라-토실클로 라이드의 정제방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR830009012A KR830009012A (ko) | 1983-12-17 |
KR840002200B1 true KR840002200B1 (ko) | 1984-11-28 |
Family
ID=19224161
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR8201071A KR840002200B1 (ko) | 1982-03-12 | 1982-03-12 | 파라-토실클로 라이드의 정제방법 |
Country Status (2)
Country | Link |
---|---|
JP (1) | JPS5932461B2 (ko) |
KR (1) | KR840002200B1 (ko) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6153093A (ja) * | 1984-08-22 | 1986-03-15 | 江本紙工品株式会社 | アルバム等の製本方法 |
US5252759A (en) * | 1993-01-29 | 1993-10-12 | Arco Chemical Technology, L.P. | Process for producing optically active epoxy alcohol derivatives |
-
1982
- 1982-03-12 KR KR8201071A patent/KR840002200B1/ko active
- 1982-12-21 JP JP57224824A patent/JPS5932461B2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS5932461B2 (ja) | 1984-08-09 |
JPS58162570A (ja) | 1983-09-27 |
KR830009012A (ko) | 1983-12-17 |
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