MD4077C1 - Procedeul de obţinere a acizilor N, N-dimetiltioureidobenzoici - Google Patents
Procedeul de obţinere a acizilor N, N-dimetiltioureidobenzoici Download PDFInfo
- Publication number
- MD4077C1 MD4077C1 MDA20100005A MD20100005A MD4077C1 MD 4077 C1 MD4077 C1 MD 4077C1 MD A20100005 A MDA20100005 A MD A20100005A MD 20100005 A MD20100005 A MD 20100005A MD 4077 C1 MD4077 C1 MD 4077C1
- Authority
- MD
- Moldova
- Prior art keywords
- dimethylthioureidobenzoic
- acids
- obtaining
- reaction
- acidulation
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 5
- 239000002253 acid Substances 0.000 title abstract 2
- 150000007513 acids Chemical class 0.000 title abstract 2
- QGJOPFRUJISHPQ-UHFFFAOYSA-N Carbon disulfide Chemical compound S=C=S QGJOPFRUJISHPQ-UHFFFAOYSA-N 0.000 abstract 2
- ROSDSFDQCJNGOL-UHFFFAOYSA-N Dimethylamine Chemical compound CNC ROSDSFDQCJNGOL-UHFFFAOYSA-N 0.000 abstract 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 abstract 1
- 239000012190 activator Substances 0.000 abstract 1
- 229960004050 aminobenzoic acid Drugs 0.000 abstract 1
- 150000005415 aminobenzoic acids Chemical class 0.000 abstract 1
- 239000007864 aqueous solution Substances 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 239000007795 chemical reaction product Substances 0.000 abstract 1
- 239000003153 chemical reaction reagent Substances 0.000 abstract 1
- 238000002425 crystallisation Methods 0.000 abstract 1
- 230000008025 crystallization Effects 0.000 abstract 1
- 238000004821 distillation Methods 0.000 abstract 1
- 239000000706 filtrate Substances 0.000 abstract 1
- 238000001914 filtration Methods 0.000 abstract 1
- 239000000417 fungicide Substances 0.000 abstract 1
- 239000012535 impurity Substances 0.000 abstract 1
- 230000003993 interaction Effects 0.000 abstract 1
- 238000002955 isolation Methods 0.000 abstract 1
- 238000012544 monitoring process Methods 0.000 abstract 1
- 230000001069 nematicidal effect Effects 0.000 abstract 1
- 239000005645 nematicide Substances 0.000 abstract 1
- 150000002894 organic compounds Chemical class 0.000 abstract 1
- 230000021962 pH elevation Effects 0.000 abstract 1
- 239000005648 plant growth regulator Substances 0.000 abstract 1
- 229910052717 sulfur Inorganic materials 0.000 abstract 1
- 239000011593 sulfur Substances 0.000 abstract 1
- 238000003786 synthesis reaction Methods 0.000 abstract 1
- 238000004809 thin layer chromatography Methods 0.000 abstract 1
- KUAZQDVKQLNFPE-UHFFFAOYSA-N thiram Chemical compound CN(C)C(=S)SSC(=S)N(C)C KUAZQDVKQLNFPE-UHFFFAOYSA-N 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Invenţia se referă la procedeele de obţinere a compuşilor organici, în particular la un procedeu de obţinere a acizilor N,N-dimetiltioureidobenzoici, care pot fi utilizaţi în calitate de fungicide, nematocide, regulatori de creştere a plantelor sau în sinteza organică.Procedeul, conform invenţiei, include interacţiunea unui acid aminobenzoic nesubstituit sau substituit cu disulfură de tetrametiltiuram la încălzire în apă şi soluţie apoasă de dimetilamină în calitate de activator, la un raport molar iniţial al reagenţilor de 1:(0,75…1):(0,5…1) şi temperatura de 65…80°C, monitorizarea reacţiei prin metoda cromatografiei în strat subţire, distilarea disulfurii de carbon formate, alcalinizarea rămăşiţei până la un pH=9, filtrarea sulfului şi a altor impurităţi, acidularea filtratului până la un pH=2…3 şi izolarea produsului de reacţie prin cristalizare la rece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| MDA20100005A MD4077C1 (ro) | 2010-01-18 | 2010-01-18 | Procedeul de obţinere a acizilor N, N-dimetiltioureidobenzoici |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| MDA20100005A MD4077C1 (ro) | 2010-01-18 | 2010-01-18 | Procedeul de obţinere a acizilor N, N-dimetiltioureidobenzoici |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| MD4077B1 MD4077B1 (ro) | 2010-11-30 |
| MD4077C1 true MD4077C1 (ro) | 2011-07-31 |
Family
ID=43569099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MDA20100005A MD4077C1 (ro) | 2010-01-18 | 2010-01-18 | Procedeul de obţinere a acizilor N, N-dimetiltioureidobenzoici |
Country Status (1)
| Country | Link |
|---|---|
| MD (1) | MD4077C1 (ro) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1349956A (en) * | 1970-06-23 | 1974-04-10 | Sipcam Spa | Fungicidal compositions and a process for their preparation |
| SU1648948A1 (ru) * | 1989-03-21 | 1991-05-15 | Кишиневский Сельскохозяйственный Институт Им.М.В.Фрунзе | Способ получени 2-меркаптобензоксазолов |
| DE4229235A1 (de) * | 1992-09-02 | 1994-03-03 | Bitterfeld Wolfen Chemie | Verfahren zur Herstellung von 6-Chlor-2-merkaptobenzoxazol |
| MD613G2 (ro) * | 1994-02-24 | 1997-06-30 | Государственный Университет Молд0 | Procedeu de obţinere a 2-mercapto-1,3,4-oxadiazolilor |
| MD943G2 (ro) * | 1997-07-10 | 1999-02-28 | Государственный Университет Молд0 | Procedeu de obţinere a acizilor izotiocianatobenzoici |
| MD956G2 (ro) * | 1997-07-10 | 1999-03-31 | Государственный Университет Молд0 | Procedeu de obţinere a N-carboxiaril-N',N'-dimetiltioureelor |
| MD1106G2 (ro) * | 1998-07-09 | 1999-10-31 | Государственный Университет Молд0 | Oligomeri ai 4-(N-ariltioureido)stirenului pentru stabilizarea polimerilor şi procedeu de obţinere a lor |
| MD1104G2 (ro) * | 1998-07-09 | 1999-10-31 | Государственный Университет Молд0 | Procedeu de obţinere a 5-N,N-dimetiltioureido-2-mercaptobenzoxazolilor |
| MD1275G2 (ro) * | 1999-04-16 | 2000-02-29 | Государственный Университет Молд0 | Oligo-5-vinil-2-mercaptobenzimidazol-antioxidant pentru materiale polimerice |
| MD2985G2 (ro) * | 2004-10-04 | 2006-10-31 | Государственный Университет Молд0 | Procedeu de obţinere a izotiocianatochalconelor |
| CN101250146A (zh) * | 2008-03-25 | 2008-08-27 | 浙江大学 | 一种3,3'-二甲硫基二苯脲的合成方法 |
| MD3684G2 (ro) * | 2007-05-28 | 2009-03-31 | Государственный Университет Молд0 | Procedeu de obţinere a N, N-dialchiltioureidoacetofenonelor |
-
2010
- 2010-01-18 MD MDA20100005A patent/MD4077C1/ro not_active IP Right Cessation
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1349956A (en) * | 1970-06-23 | 1974-04-10 | Sipcam Spa | Fungicidal compositions and a process for their preparation |
| SU1648948A1 (ru) * | 1989-03-21 | 1991-05-15 | Кишиневский Сельскохозяйственный Институт Им.М.В.Фрунзе | Способ получени 2-меркаптобензоксазолов |
| DE4229235A1 (de) * | 1992-09-02 | 1994-03-03 | Bitterfeld Wolfen Chemie | Verfahren zur Herstellung von 6-Chlor-2-merkaptobenzoxazol |
| MD613G2 (ro) * | 1994-02-24 | 1997-06-30 | Государственный Университет Молд0 | Procedeu de obţinere a 2-mercapto-1,3,4-oxadiazolilor |
| MD943G2 (ro) * | 1997-07-10 | 1999-02-28 | Государственный Университет Молд0 | Procedeu de obţinere a acizilor izotiocianatobenzoici |
| MD956G2 (ro) * | 1997-07-10 | 1999-03-31 | Государственный Университет Молд0 | Procedeu de obţinere a N-carboxiaril-N',N'-dimetiltioureelor |
| MD1106G2 (ro) * | 1998-07-09 | 1999-10-31 | Государственный Университет Молд0 | Oligomeri ai 4-(N-ariltioureido)stirenului pentru stabilizarea polimerilor şi procedeu de obţinere a lor |
| MD1104G2 (ro) * | 1998-07-09 | 1999-10-31 | Государственный Университет Молд0 | Procedeu de obţinere a 5-N,N-dimetiltioureido-2-mercaptobenzoxazolilor |
| MD1275G2 (ro) * | 1999-04-16 | 2000-02-29 | Государственный Университет Молд0 | Oligo-5-vinil-2-mercaptobenzimidazol-antioxidant pentru materiale polimerice |
| MD2985G2 (ro) * | 2004-10-04 | 2006-10-31 | Государственный Университет Молд0 | Procedeu de obţinere a izotiocianatochalconelor |
| MD3684G2 (ro) * | 2007-05-28 | 2009-03-31 | Государственный Университет Молд0 | Procedeu de obţinere a N, N-dialchiltioureidoacetofenonelor |
| CN101250146A (zh) * | 2008-03-25 | 2008-08-27 | 浙江大学 | 一种3,3'-二甲硫基二苯脲的合成方法 |
Non-Patent Citations (2)
| Title |
|---|
| Ribar A., Antos K., Kristian P., March J., Mavtova A. Isothiocyanates XVII. Synthesis of some substituted arilalkil thioureas. Chem. Zwest, 1966, 20(2), p. 826-833 * |
| Rybar A., Antos K., Kristian P., March J., Mavtova A. Isothiocyanates XVII. Synthesis of some substituted arilalkyl thioureas. Chem. Zwest, 1966, 20, * |
Also Published As
| Publication number | Publication date |
|---|---|
| MD4077B1 (ro) | 2010-11-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FG4A | Patent for invention issued | ||
| KA4A | Patent for invention lapsed due to non-payment of fees (with right of restoration) | ||
| MM4A | Patent for invention definitely lapsed due to non-payment of fees |