DE198713C - - Google Patents
Info
- Publication number
- DE198713C DE198713C DENDAT198713D DE198713DA DE198713C DE 198713 C DE198713 C DE 198713C DE NDAT198713 D DENDAT198713 D DE NDAT198713D DE 198713D A DE198713D A DE 198713DA DE 198713 C DE198713 C DE 198713C
- Authority
- DE
- Germany
- Prior art keywords
- carboxylic acid
- mixture
- phenylthioglycol
- heating
- short time
- 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.)
- Active
Links
- 239000000203 mixture Substances 0.000 claims 7
- 238000010438 heat treatment Methods 0.000 claims 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims 3
- 239000003513 alkali Substances 0.000 claims 3
- 239000003518 caustics Substances 0.000 claims 3
- 238000000034 method Methods 0.000 claims 3
- 239000002253 acid Substances 0.000 claims 2
- 238000002360 preparation method Methods 0.000 claims 2
- DYSJMQABFPKAQM-UHFFFAOYSA-N 1-benzothiophene-2-carboxylic acid Chemical compound C1=CC=C2SC(C(=O)O)=CC2=C1 DYSJMQABFPKAQM-UHFFFAOYSA-N 0.000 claims 1
- 150000001447 alkali salts Chemical class 0.000 claims 1
- 238000009833 condensation Methods 0.000 claims 1
- 230000005494 condensation Effects 0.000 claims 1
- 230000001737 promoting effect Effects 0.000 claims 1
- 150000003839 salts Chemical class 0.000 claims 1
- 235000011121 sodium hydroxide Nutrition 0.000 claims 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D333/00—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom
- C07D333/50—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom condensed with carbocyclic rings or ring systems
- C07D333/52—Benzo[b]thiophenes; Hydrogenated benzo[b]thiophenes
- C07D333/62—Benzo[b]thiophenes; Hydrogenated benzo[b]thiophenes with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to carbon atoms of the hetero ring
- C07D333/68—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen
- C07D333/70—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen attached in position 2
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D333/00—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom
- C07D333/50—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom condensed with carbocyclic rings or ring systems
- C07D333/52—Benzo[b]thiophenes; Hydrogenated benzo[b]thiophenes
- C07D333/62—Benzo[b]thiophenes; Hydrogenated benzo[b]thiophenes with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to carbon atoms of the hetero ring
- C07D333/64—Oxygen atoms
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Heat Sensitive Colour Forming Recording (AREA)
- Indole Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE198712T |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE198713C true DE198713C (enrdf_load_stackoverflow) |
Family
ID=33035719
Family Applications (5)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT198713D Active DE198713C (enrdf_load_stackoverflow) | |||
| DE1905192075D Expired - Lifetime DE192075C (enrdf_load_stackoverflow) | 1905-05-08 | 1905-05-08 | |
| DE1905198712D Expired - Lifetime DE198712C (enrdf_load_stackoverflow) | 1905-08-09 | 1905-08-09 | |
| DE1905196016D Expired - Lifetime DE196016C (enrdf_load_stackoverflow) | 1905-10-18 | 1905-10-18 | |
| DE1906232277D Expired - Lifetime DE232277C (enrdf_load_stackoverflow) | 1906-11-29 | 1906-11-29 |
Family Applications After (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE1905192075D Expired - Lifetime DE192075C (enrdf_load_stackoverflow) | 1905-05-08 | 1905-05-08 | |
| DE1905198712D Expired - Lifetime DE198712C (enrdf_load_stackoverflow) | 1905-08-09 | 1905-08-09 | |
| DE1905196016D Expired - Lifetime DE196016C (enrdf_load_stackoverflow) | 1905-10-18 | 1905-10-18 | |
| DE1906232277D Expired - Lifetime DE232277C (enrdf_load_stackoverflow) | 1906-11-29 | 1906-11-29 |
Country Status (1)
| Country | Link |
|---|---|
| DE (5) | DE192075C (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040016046A1 (en) * | 2002-07-26 | 2004-01-29 | Siegal David M. | Push-on bolt stabilizer |
-
0
- DE DENDAT198713D patent/DE198713C/de active Active
-
1905
- 1905-05-08 DE DE1905192075D patent/DE192075C/de not_active Expired - Lifetime
- 1905-08-09 DE DE1905198712D patent/DE198712C/de not_active Expired - Lifetime
- 1905-10-18 DE DE1905196016D patent/DE196016C/de not_active Expired - Lifetime
-
1906
- 1906-11-29 DE DE1906232277D patent/DE232277C/de not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040016046A1 (en) * | 2002-07-26 | 2004-01-29 | Siegal David M. | Push-on bolt stabilizer |
Also Published As
| Publication number | Publication date |
|---|---|
| DE198712C (enrdf_load_stackoverflow) | |
| DE232277C (enrdf_load_stackoverflow) | |
| DE196016C (enrdf_load_stackoverflow) | |
| DE192075C (enrdf_load_stackoverflow) |
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