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Friday, July 20, 2018
SYNTHESIS OF CARVONE (p-Mentha-6,8-dien-2-one)
The pyridinium chlorochromate-on-alumina reagent (7.5 g,
6.1mmol) is added to a flask containing a solution of
carveol (0.60 g, 3.8 mmol) in hexane (10 ml).
After stirring for 2 hours, the
solution is filtered, and washed with three 10-ml portions of ether. The
combined filtrates are evaporated and vacuum distilled to afford
carvone; yield 0.54 g (93%), b.p. 104°C/11 mmHg.
Gas-liquid chromatography
analysis is on a column of 10 per cent Carbowax 20M supported on 60-80 mesh
Chromosorb W.
We specialize in producing high value chemicals. Besides our regular products, we strive to develop new products based on customer’s requirements. Our R&D center plays crucial role in handling complex chemistries and developing newer technologies. We respect intellectual property rights and have confidentiality agreement with various multi national companies. We undertake contract manufacturing of fine chemicals and advance intermediates of API’s.
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We specialize in producing high value chemicals. Besides our regular products, we strive to develop new products based on customer’s requirements. Our R&D center plays crucial role in handling complex chemistries and developing newer technologies. We respect intellectual property rights and have confidentiality agreement with various multi national companies. We undertake contract manufacturing of fine chemicals and advance intermediates of API’s.