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公开(公告)号：US11286224B2
公开(公告)日：2022-03-29
申请号：US16755308
申请日：2018-10-04
Applicant: BASF SE
Inventor： Volker Hickmann , Shrirang Hindalekar , Nitin Gupte , Sadanand Ardekar , Wolfgang Siegel , Vijay Narayanan Swaminathan , Ralf Pelzer
IPC: C07C29/44 , C11B9/00 , C07C29/60 , C07C33/025
Abstract: The present invention relates to a method for preparing a compound of formula (I). The present invention also relates to compounds of formula (A) or a compound in the form of a stereoisomer. The present invention further relates to the use of a compound of formula (A) as aroma chemical.
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公开(公告)号：US10913704B2
公开(公告)日：2021-02-09
申请号：US16611120
申请日：2018-05-04
Applicant: BASF SE
Inventor： Volker Hickmann , Stefan Ruedenauer , Ralf Pelzer , Vijay Narayanan Swaminathan , Shrirang Hindalekar , Nitin Gupte , Sadanand Ardekar , Mileen Kadam
Abstract: The present invention relates to 2,3,7-Trimethyloct-6-enyl acetate and 3,7-dimethyl-2-methylene-oct-6-enyl acetate and derivatives thereof and their use as aroma chemicals.
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公开(公告)号：US10106477B2
公开(公告)日：2018-10-23
申请号：US15753236
申请日：2016-08-17
Applicant: BASF SE
Inventor： Thomas Fenlon , Stefan Rüdenauer , Ralf Pelzer , Shrirang Hindalekar , Vijay Narayanan Swaminathan , Nitin Gupte , Sadanand Ardekar
IPC: C07C41/01 , C07C43/115
Abstract: The present invention relates to a process for preparing, 4-bis(ethoxymethyl)cyclohexane, which comprises reacting 1,4-bis(hydroxymethyl)cyclohexane with ethyl chloride in the presence of an inorganic base, a solvent and a phase transfer catalyst to yield a reaction mixture containing 1,4-bis(ethoxymethyl)cyclohexane, where the inorganic base is selected from alkali metal hydroxides and earth alkaline metal hydroxides and where the solvent is selected from water or a mixture of water with at least one organic solvent.
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