CN102675196A - 一种利用dctc短蒸残渣制备5,6-二氯烟酸的方法 - Google Patents
一种利用dctc短蒸残渣制备5,6-二氯烟酸的方法 Download PDFInfo
- Publication number
- CN102675196A CN102675196A CN2012101526335A CN201210152633A CN102675196A CN 102675196 A CN102675196 A CN 102675196A CN 2012101526335 A CN2012101526335 A CN 2012101526335A CN 201210152633 A CN201210152633 A CN 201210152633A CN 102675196 A CN102675196 A CN 102675196A
- Authority
- CN
- China
- Prior art keywords
- chloro
- dctc
- short
- residue
- dichloro
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Pyridine Compounds (AREA)
Abstract
Description
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201210152633.5A CN102675196B (zh) | 2012-05-07 | 2012-05-07 | 一种利用dctc短蒸残渣制备5,6-二氯烟酸的方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201210152633.5A CN102675196B (zh) | 2012-05-07 | 2012-05-07 | 一种利用dctc短蒸残渣制备5,6-二氯烟酸的方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102675196A true CN102675196A (zh) | 2012-09-19 |
CN102675196B CN102675196B (zh) | 2014-01-22 |
Family
ID=46807818
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201210152633.5A Expired - Fee Related CN102675196B (zh) | 2012-05-07 | 2012-05-07 | 一种利用dctc短蒸残渣制备5,6-二氯烟酸的方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN102675196B (zh) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105037257A (zh) * | 2015-07-15 | 2015-11-11 | 盐城工学院 | 一种利用dctf精馏短蒸残渣制备2,3,6-三氯-5-(二氟氯甲基)吡啶的方法 |
CN105061298A (zh) * | 2015-07-29 | 2015-11-18 | 盐城工学院 | 一种利用dctf精馏短蒸残渣制备2,3,6-三氯-5-(二氯氟甲基)吡啶的方法 |
CN105237470A (zh) * | 2015-09-11 | 2016-01-13 | 盐城工学院 | 一种利用dctf精馏短蒸残渣制备2,5,6-三氯-3-三氟甲基吡啶的方法 |
CN105237471A (zh) * | 2015-09-11 | 2016-01-13 | 盐城工学院 | 一种利用dctf精馏短蒸残渣制备五氯吡啶的方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4636565A (en) * | 1981-03-12 | 1987-01-13 | The Dow Chemical Company | Preparation of 2,3-dichloro-5-trichloromethylpyridine |
CN1756745A (zh) * | 2003-03-04 | 2006-04-05 | 美国陶氏益农公司 | 由6-氯-2-三氯甲基吡啶气相氯化制备3,6-二氯-2-三氯甲基吡啶 |
CN101092391A (zh) * | 2007-06-27 | 2007-12-26 | 上海康鹏化学有限公司 | 2,3-二氯-5-三氯甲基吡啶的制备方法 |
-
2012
- 2012-05-07 CN CN201210152633.5A patent/CN102675196B/zh not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4636565A (en) * | 1981-03-12 | 1987-01-13 | The Dow Chemical Company | Preparation of 2,3-dichloro-5-trichloromethylpyridine |
CN1756745A (zh) * | 2003-03-04 | 2006-04-05 | 美国陶氏益农公司 | 由6-氯-2-三氯甲基吡啶气相氯化制备3,6-二氯-2-三氯甲基吡啶 |
CN101092391A (zh) * | 2007-06-27 | 2007-12-26 | 上海康鹏化学有限公司 | 2,3-二氯-5-三氯甲基吡啶的制备方法 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105037257A (zh) * | 2015-07-15 | 2015-11-11 | 盐城工学院 | 一种利用dctf精馏短蒸残渣制备2,3,6-三氯-5-(二氟氯甲基)吡啶的方法 |
CN105061298A (zh) * | 2015-07-29 | 2015-11-18 | 盐城工学院 | 一种利用dctf精馏短蒸残渣制备2,3,6-三氯-5-(二氯氟甲基)吡啶的方法 |
CN105237470A (zh) * | 2015-09-11 | 2016-01-13 | 盐城工学院 | 一种利用dctf精馏短蒸残渣制备2,5,6-三氯-3-三氟甲基吡啶的方法 |
CN105237471A (zh) * | 2015-09-11 | 2016-01-13 | 盐城工学院 | 一种利用dctf精馏短蒸残渣制备五氯吡啶的方法 |
Also Published As
Publication number | Publication date |
---|---|
CN102675196B (zh) | 2014-01-22 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102702086A (zh) | 一种利用dctc短蒸残渣制备2,3-二氯-5-三氯甲基吡啶的方法 | |
EP2687510B1 (en) | Method for preparing 2,3-dichloropyridine | |
CN102775344B (zh) | 一种利用dctc短蒸残渣制备2,3,6-三氯-5-三氯甲基吡啶的方法 | |
CN102675196A (zh) | 一种利用dctc短蒸残渣制备5,6-二氯烟酸的方法 | |
CN109251171B (zh) | 一种利用2-op精馏残渣制备吡啶-2-甲腈的方法 | |
WO2010070371A8 (en) | Process for the preparation of piperazine derivatives | |
CN105418493B (zh) | 一种2‑氯吡啶的合成方法 | |
CN105061298A (zh) | 一种利用dctf精馏短蒸残渣制备2,3,6-三氯-5-(二氯氟甲基)吡啶的方法 | |
CN103396301A (zh) | 一种制备2,6-二氯苯甲醛的方法 | |
CN102020603A (zh) | 制备吡啶碱的方法 | |
CN105536873B (zh) | 一种复合催化剂及其应用 | |
CN106866509A (zh) | 一种2‑氟‑5‑三氟甲基吡啶的制备方法 | |
CN105037256A (zh) | 一种利用dctf精馏短蒸残渣制备2,3-二氯-5-(二氯氟甲基)吡啶的方法 | |
CN105237470A (zh) | 一种利用dctf精馏短蒸残渣制备2,5,6-三氯-3-三氟甲基吡啶的方法 | |
CN102249993A (zh) | 对生产3-氰基吡啶所产生的废水处理及回收烟酸的方法 | |
CN100532360C (zh) | 溶剂中四氯吡啶的处理方法 | |
CN105884679A (zh) | 一种利用dctf精馏短蒸残渣制备5,6-二氯-3-羟甲基吡啶-2-酚的方法 | |
KR101474573B1 (ko) | 시아노피리딘을 함유하는 기상 반응 생성물의 켄칭 방법 | |
CN101602717B (zh) | 一种合成2-氯烟酸的方法 | |
CN103787960A (zh) | 一种2-氯-5-三氯甲基吡啶的合成方法 | |
CN106187876A (zh) | 一种2‑氯烟酸的合成方法 | |
US10017473B1 (en) | Method for preparing pentachloropyridine by utilizing DCTF rectifying short steaming residues | |
CN102516173A (zh) | 一种月桂氮卓酮的合成方法 | |
CN105061299A (zh) | 一种利用dctf精馏短蒸残渣制备2,3,4,6-四氯-5-三氟甲基吡啶的方法 | |
CN102532010A (zh) | 一种2-氯-3-氨基吡啶的制备方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20160615 Address after: 221300, No. 001, Taihu Avenue, Pizhou hi tech Industrial Development Zone, Xuzhou, Jiangsu Patentee after: XUZHOU HENGDING BIOTECHNOLOGY Co.,Ltd. Address before: 221000 Jiangsu city in Xuzhou Province, the liberation of South Road, China University of Mining and Technology National University Science and Technology Park of Xuzhou Quanshan District hi tech service center room 505 Patentee before: Xuzhou Strategy Information Technology Consulting Co.,Ltd. Effective date of registration: 20160615 Address after: 221000 Jiangsu city in Xuzhou Province, the liberation of South Road, China University of Mining and Technology National University Science and Technology Park of Xuzhou Quanshan District hi tech service center room 505 Patentee after: Xuzhou Strategy Information Technology Consulting Co.,Ltd. Address before: 224051 Jiangsu province Yancheng City Yingbin Road No. 9 Patentee before: YANCHENG INSTITUTE OF TECHNOLOGY |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140122 Termination date: 20180507 |
|
CF01 | Termination of patent right due to non-payment of annual fee |