DE225983C - - Google Patents
Info
- Publication number
- DE225983C DE225983C DENDAT225983D DE225983DA DE225983C DE 225983 C DE225983 C DE 225983C DE NDAT225983 D DENDAT225983 D DE NDAT225983D DE 225983D A DE225983D A DE 225983DA DE 225983 C DE225983 C DE 225983C
- Authority
- DE
- Germany
- Prior art keywords
- carvacrolphtalein
- carvacrol
- preparation
- addition
- phthalic anhydride
- 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
- RECUKUPTGUEGMW-UHFFFAOYSA-N Carvacrol Chemical compound CC(C)C1=CC=C(C)C(O)=C1 RECUKUPTGUEGMW-UHFFFAOYSA-N 0.000 claims 2
- LGRFSURHDFAFJT-UHFFFAOYSA-N Phthalic anhydride Chemical compound C1=CC=C2C(=O)OC(=O)C2=C1 LGRFSURHDFAFJT-UHFFFAOYSA-N 0.000 claims 1
- 235000007746 carvacrol Nutrition 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D307/87—Benzo [c] furans; Hydrogenated benzo [c] furans
- C07D307/88—Benzo [c] furans; Hydrogenated benzo [c] furans with one oxygen atom directly attached in position 1 or 3
- C07D307/885—3,3-Diphenylphthalides
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Polyesters Or Polycarbonates (AREA)
- Furan Compounds (AREA)
Description
70
BERLIN. GEDRUCKT IN DER RE'CHSDRUCKEREI.
Claims (1)
- Patent-Anspruch:Verfahren zur Darstellung von Carvacrolphtalein, dadurch gekennzeichnet, daß man Phtalsäureanhydrid mit Carvacrol für sich oder unter Zusatz von Kondensationsmitteln auf 120° nicht wesentlich übersteigende Temperaturen erhitzt.65
Publications (1)
Publication Number | Publication Date |
---|---|
DE225983C true DE225983C (de) |
Family
ID=486577
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DENDAT225983D Active DE225983C (de) |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE225983C (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4940544A (en) * | 1987-07-17 | 1990-07-10 | Henkel Kommanditgesellschaft Auf Aktien | Decentral wastewater treatment process |
US5451319A (en) * | 1988-03-30 | 1995-09-19 | Kobayashi; Yoshio | Anaerobic digestion process for sewage sludge |
-
0
- DE DENDAT225983D patent/DE225983C/de active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4940544A (en) * | 1987-07-17 | 1990-07-10 | Henkel Kommanditgesellschaft Auf Aktien | Decentral wastewater treatment process |
US5451319A (en) * | 1988-03-30 | 1995-09-19 | Kobayashi; Yoshio | Anaerobic digestion process for sewage sludge |
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