MD2985G2 - Process for isothiocyanatochalcone obtaining - Google Patents
Process for isothiocyanatochalcone obtainingInfo
- Publication number
- MD2985G2 MD2985G2 MDA20040244A MD20040244A MD2985G2 MD 2985 G2 MD2985 G2 MD 2985G2 MD A20040244 A MDA20040244 A MD A20040244A MD 20040244 A MD20040244 A MD 20040244A MD 2985 G2 MD2985 G2 MD 2985G2
- Authority
- MD
- Moldova
- Prior art keywords
- obtaining
- isothiocyanatochalcone
- isothiocyanatochalcones
- dimethylthioureidochalcones
- deaminized
- Prior art date
Links
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Cosmetics (AREA)
Abstract
The invention relates to processes for obtaining isothiocyanatochalcones which may be used as precursors for the synthesis of certain chalcones of medicinal and cosmetic use.The claimed process includes condensation of 1,1-dimethyl-3-(3- or 4-acetylphenyl)thioureas with substituted aromatic aldehydes, with obtaining of N,N-dimethylthioureidochalcones which are deaminized in an inert solution at their heating with mineral acids (H2SO4, HCl in dioxane) or with acetic anhydride (in benzene or toluole), taken respectively in equimolar ratio.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
MDA20040244A MD2985G2 (en) | 2004-10-04 | 2004-10-04 | Process for isothiocyanatochalcone obtaining |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
MDA20040244A MD2985G2 (en) | 2004-10-04 | 2004-10-04 | Process for isothiocyanatochalcone obtaining |
Publications (2)
Publication Number | Publication Date |
---|---|
MD2985F1 MD2985F1 (en) | 2006-02-28 |
MD2985G2 true MD2985G2 (en) | 2006-10-31 |
Family
ID=36002229
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MDA20040244A MD2985G2 (en) | 2004-10-04 | 2004-10-04 | Process for isothiocyanatochalcone obtaining |
Country Status (1)
Country | Link |
---|---|
MD (1) | MD2985G2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
MD4077C1 (en) * | 2010-01-18 | 2011-07-31 | Государственный Университет Молд0 | Process for obtaining N, N-dimethylthioureidobenzoic acids |
-
2004
- 2004-10-04 MD MDA20040244A patent/MD2985G2/en not_active IP Right Cessation
Non-Patent Citations (2)
Title |
---|
M. Dzurilla, P. Kristian. Isothiocyanates and their syntetic producers. Collection of Czechoslovak Chemical Communications, 1969, V.35, N2, p. 145-151 * |
W. Davey, J. R. Gwilt. Chalcones and related compounds. Journal of chemical society. Part 1. 1957, p. 73-78 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
MD4077C1 (en) * | 2010-01-18 | 2011-07-31 | Государственный Университет Молд0 | Process for obtaining N, N-dimethylthioureidobenzoic acids |
Also Published As
Publication number | Publication date |
---|---|
MD2985F1 (en) | 2006-02-28 |
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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 |