CN1803775A - Method for preparing 5,5-dimethylhydantion - Google Patents
Method for preparing 5,5-dimethylhydantion Download PDFInfo
- Publication number
- CN1803775A CN1803775A CN 200610038040 CN200610038040A CN1803775A CN 1803775 A CN1803775 A CN 1803775A CN 200610038040 CN200610038040 CN 200610038040 CN 200610038040 A CN200610038040 A CN 200610038040A CN 1803775 A CN1803775 A CN 1803775A
- Authority
- CN
- China
- Prior art keywords
- acetone cyanohydrin
- production method
- reactor
- ammoniacal liquor
- gas
- 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
- 238000000034 method Methods 0.000 title description 2
- 238000006243 chemical reaction Methods 0.000 claims abstract description 25
- MWFMGBPGAXYFAR-UHFFFAOYSA-N 2-hydroxy-2-methylpropanenitrile Chemical compound CC(C)(O)C#N MWFMGBPGAXYFAR-UHFFFAOYSA-N 0.000 claims abstract description 16
- 235000011114 ammonium hydroxide Nutrition 0.000 claims abstract description 14
- 238000004519 manufacturing process Methods 0.000 claims abstract description 13
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 claims description 11
- JMANVNJQNLATNU-UHFFFAOYSA-N oxalonitrile Chemical compound N#CC#N JMANVNJQNLATNU-UHFFFAOYSA-N 0.000 claims description 8
- JJEJDZONIFQNHG-UHFFFAOYSA-N [C+4].N Chemical compound [C+4].N JJEJDZONIFQNHG-UHFFFAOYSA-N 0.000 claims description 4
- 239000002994 raw material Substances 0.000 claims description 3
- 239000000376 reactant Substances 0.000 claims description 2
- 235000012538 ammonium bicarbonate Nutrition 0.000 abstract description 5
- 239000002699 waste material Substances 0.000 abstract description 3
- YIROYDNZEPTFOL-UHFFFAOYSA-N 5,5-Dimethylhydantoin Chemical compound CC1(C)NC(=O)NC1=O YIROYDNZEPTFOL-UHFFFAOYSA-N 0.000 abstract 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 238000002360 preparation method Methods 0.000 abstract 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 12
- 229910021529 ammonia Inorganic materials 0.000 description 6
- 238000007664 blowing Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005262 decarbonization Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 230000035924 thermogenesis Effects 0.000 description 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2006100380400A CN100369901C (en) | 2006-01-23 | 2006-01-23 | Method for preparing 5,5-dimethylhydantion |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2006100380400A CN100369901C (en) | 2006-01-23 | 2006-01-23 | Method for preparing 5,5-dimethylhydantion |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1803775A true CN1803775A (en) | 2006-07-19 |
CN100369901C CN100369901C (en) | 2008-02-20 |
Family
ID=36865951
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2006100380400A Active CN100369901C (en) | 2006-01-23 | 2006-01-23 | Method for preparing 5,5-dimethylhydantion |
Country Status (1)
Country | Link |
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CN (1) | CN100369901C (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102002000A (en) * | 2010-11-18 | 2011-04-06 | 大庆井井源油田科技开发有限公司 | Method for producing 5,5-dimethyl hydantoin |
CN102030712A (en) * | 2010-11-18 | 2011-04-27 | 大庆井井源油田科技开发有限公司 | Device for producing dimethyl hydantoin |
CN108148000A (en) * | 2018-03-20 | 2018-06-12 | 河北鑫淘源环保科技有限公司 | A kind of preparation method of 5,5 Dimethyl Hydan |
CN115703744A (en) * | 2021-11-16 | 2023-02-17 | 吉林市吉化江城油脂化工有限责任公司 | Preparation method of 5,5-dimethylhydantoin |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH522652A (en) * | 1967-08-18 | 1972-06-30 | Texaco Ag | Process and device for the continuous production of hydantoins, in particular 5,5-dimethylhydantoin |
DE2744428B2 (en) * | 1977-10-03 | 1981-01-15 | Lentia Gmbh, Chem. U. Pharm. Erzeugnisse - Industriebedarf, 8000 Muenchen | Process for the continuous production of hydantoin derivatives and apparatus for carrying out the same |
CN1108292C (en) * | 1999-04-20 | 2003-05-14 | 南京化工大学 | Preparation of 2,4-imidzolidinedione |
CN100427471C (en) * | 2002-12-31 | 2008-10-22 | 中国人民解放军军事医学科学院放射与辐射医学研究所 | Process for preparing hydantoin |
CN1259311C (en) * | 2004-09-15 | 2006-06-14 | 南京工业大学 | One-step process for preparing hydantoin |
-
2006
- 2006-01-23 CN CNB2006100380400A patent/CN100369901C/en active Active
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102002000A (en) * | 2010-11-18 | 2011-04-06 | 大庆井井源油田科技开发有限公司 | Method for producing 5,5-dimethyl hydantoin |
CN102030712A (en) * | 2010-11-18 | 2011-04-27 | 大庆井井源油田科技开发有限公司 | Device for producing dimethyl hydantoin |
CN102002000B (en) * | 2010-11-18 | 2012-07-25 | 祝莉宁 | Method for producing 5,5-dimethyl hydantoin |
CN108148000A (en) * | 2018-03-20 | 2018-06-12 | 河北鑫淘源环保科技有限公司 | A kind of preparation method of 5,5 Dimethyl Hydan |
CN115703744A (en) * | 2021-11-16 | 2023-02-17 | 吉林市吉化江城油脂化工有限责任公司 | Preparation method of 5,5-dimethylhydantoin |
Also Published As
Publication number | Publication date |
---|---|
CN100369901C (en) | 2008-02-20 |
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Legal Events
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C06 | Publication | ||
PB01 | Publication | ||
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SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: JIANGSU LONG 99 SCIENCE & TECHNOLOY CO., LTD. Free format text: FORMER OWNER: ZHOU XINJI Effective date: 20080425 |
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C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20080425 Address after: Matang town of Jiangsu County of Rudong province Jianshe Road No. 40 Patentee after: Jiangsu Jiujiujiu Technology Co., Ltd. Address before: Matang town of Jiangsu County of Rudong province Jianshe Road No. 40 Patentee before: Zhou Xinji |
|
C56 | Change in the name or address of the patentee | ||
CP03 | Change of name, title or address |
Address after: 226407 Rudong Economic Development Zone, Nantong, the Yellow Sea, No., No. three road, No. 12 Patentee after: Jiangsu BICON Pharmaceutical Co., Ltd. Address before: 226401 Jiangsu Matang Town County of Rudong province Jianshe Road No. 40 Patentee before: Jiangsu Jiujiujiu Technology Co., Ltd. |
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TR01 | Transfer of patent right |
Effective date of registration: 20171227 Address after: 226407 Rudong Economic Development Zone, Nantong, the Yellow Sea, No., No. three road, No. 12 Patentee after: Jiangsu nine Jiangsu jiujiujiu Technology Co. Ltd. Address before: 226407 Rudong Economic Development Zone, Nantong, the Yellow Sea, No., No. three road, No. 12 Patentee before: Jiangsu BICON Pharmaceutical Co., Ltd. |
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TR01 | Transfer of patent right |