GB1036990A - Cyclohexylsulphamic acid and metal salts thereof - Google Patents
Cyclohexylsulphamic acid and metal salts thereofInfo
- Publication number
- GB1036990A GB1036990A GB2220865A GB2220865A GB1036990A GB 1036990 A GB1036990 A GB 1036990A GB 2220865 A GB2220865 A GB 2220865A GB 2220865 A GB2220865 A GB 2220865A GB 1036990 A GB1036990 A GB 1036990A
- Authority
- GB
- United Kingdom
- Prior art keywords
- prepared
- cyclohexylsulphamic acid
- complex
- salt
- metal salts
- 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.)
- Expired
Links
- 150000003839 salts Chemical class 0.000 title abstract 5
- HCAJEUSONLESMK-UHFFFAOYSA-N cyclohexylsulfamic acid Chemical class OS(=O)(=O)NC1CCCCC1 HCAJEUSONLESMK-UHFFFAOYSA-N 0.000 title abstract 4
- 229910052751 metal Chemical class 0.000 title abstract 3
- 239000002184 metal Chemical class 0.000 title abstract 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 abstract 3
- PAFZNILMFXTMIY-UHFFFAOYSA-N cyclohexylamine Chemical compound NC1CCCCC1 PAFZNILMFXTMIY-UHFFFAOYSA-N 0.000 abstract 2
- 239000012442 inert solvent Substances 0.000 abstract 2
- 239000002904 solvent Substances 0.000 abstract 2
- OCBFFGCSTGGPSQ-UHFFFAOYSA-N [CH2]CC Chemical compound [CH2]CC OCBFFGCSTGGPSQ-UHFFFAOYSA-N 0.000 abstract 1
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 abstract 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 abstract 1
- 239000000920 calcium hydroxide Substances 0.000 abstract 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 abstract 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 abstract 1
- 238000005342 ion exchange Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 abstract 1
- 230000020477 pH reduction Effects 0.000 abstract 1
- 150000003254 radicals Chemical class 0.000 abstract 1
- 239000007858 starting material Substances 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C303/00—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides
- C07C303/34—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides of amides of sulfuric acids
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Cyclohexylsulphamic acid or a salt thereof is prepared by reacting the complex R3N.SO3, in which each of the R radicals, which may be the same or different, is a methyl, ethyl or propyl radical, with cyclohexylamine, thus forming the R3N salt of cyclohexylsulphamic acid, and then converting it by acidification or ion exchange to cyclohexylsulphamic acid or by treatment with a base to a metal salt thereof. The R3N.SO3 complex used as starting material may be prepared by reaction between SO3 and R3N in the vapour phase or in an inert solvent medium, e.g. a halogenated aliphatic hydrocarbon. If the complex is prepared in an inert solvent the process of the invention may be carried out in the same solvent or another solvent, especially water. The reaction is preferably carried out at a temperature above 55 DEG C. The preferred bases for forming the metal salts are calcium hydroxide or sodium hydroxide.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE664412D BE664412A (en) | 1965-05-24 | ||
| FR18158A FR1434050A (en) | 1965-05-24 | 1965-05-24 | Manufacturing process of cyclohexylsulfamic acid and its metal salts |
| DEB82084A DE1223369B (en) | 1965-05-24 | 1965-05-24 | Process for the preparation of cyclohexyl-sulfamic acid or metal salts thereof |
| GB2220865A GB1036990A (en) | 1965-05-24 | 1965-05-25 | Cyclohexylsulphamic acid and metal salts thereof |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR18158A FR1434050A (en) | 1965-05-24 | 1965-05-24 | Manufacturing process of cyclohexylsulfamic acid and its metal salts |
| DEB82084A DE1223369B (en) | 1965-05-24 | 1965-05-24 | Process for the preparation of cyclohexyl-sulfamic acid or metal salts thereof |
| GB2220865A GB1036990A (en) | 1965-05-24 | 1965-05-25 | Cyclohexylsulphamic acid and metal salts thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1036990A true GB1036990A (en) | 1966-07-20 |
Family
ID=27209314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2220865A Expired GB1036990A (en) | 1965-05-24 | 1965-05-25 | Cyclohexylsulphamic acid and metal salts thereof |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE664412A (en) |
| DE (1) | DE1223369B (en) |
| FR (1) | FR1434050A (en) |
| GB (1) | GB1036990A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113956186A (en) * | 2021-11-03 | 2022-01-21 | 苏州纽特食品科技有限公司 | Preparation method of sodium cyclamate |
| CN114014785A (en) * | 2021-11-03 | 2022-02-08 | 苏州纽特食品科技有限公司 | Preparation method of low-purity sodium cyclamate |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3403813C2 (en) * | 1984-02-03 | 1986-12-18 | Jozsef Dr. 8400 Regensburg Juhász | Process for the production of N-cyclohexylsulfamic acid or its metal salts |
| CN106083661A (en) * | 2016-06-06 | 2016-11-09 | 江苏联威生化实业有限公司 | A kind of preparation method of calcium cyclamate |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1185179B (en) * | 1962-02-26 | 1965-01-14 | Abbott Lab | Process for the preparation of alkali cyclohexyl sulfamate |
-
0
- BE BE664412D patent/BE664412A/xx unknown
-
1965
- 1965-05-24 DE DEB82084A patent/DE1223369B/en active Pending
- 1965-05-24 FR FR18158A patent/FR1434050A/en not_active Expired
- 1965-05-25 GB GB2220865A patent/GB1036990A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113956186A (en) * | 2021-11-03 | 2022-01-21 | 苏州纽特食品科技有限公司 | Preparation method of sodium cyclamate |
| CN114014785A (en) * | 2021-11-03 | 2022-02-08 | 苏州纽特食品科技有限公司 | Preparation method of low-purity sodium cyclamate |
Also Published As
| Publication number | Publication date |
|---|---|
| FR1434050A (en) | 1966-04-01 |
| BE664412A (en) | |
| DE1223369B (en) | 1966-08-25 |
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