- NOVEL CYCLOHEXENE CARBOAMIDES AND CARBOTHIOAMIDES
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A compound or a mixture of compounds comprising an aromachemical compound of the formula (I): wherein: formula (II), is formula (III), or formula (IV); R is a straight or branched chain, saturated or unsaturated hydrocarbyl group; preferably, alkyl or alkenyl, having l-8 carbon atoms; R1 is a straight or branched chain, saturated or unsaturated hydrocarbyl group; preferably, alkyl or alkenyl, having l-8 carbon atoms; x is an integer from l to 8; y is an integer from 0 to 4, and Z is 0 or S, as well as compositions, products, preparations or articles having improved aroma, fragrance or odor characteristics containing as active ingredient such compound or mixture of compounds.
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Page/Page column 11
(2008/06/13)
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- HETEROCUMULENES IN ACYLATION REACTIONS. 1. MECHANISM OF ACID HYDROLYSIS OF 2,6,6-TRIMETHYL-1-CARBONYLCYCLOHEX-2-ENE AND ITS THIO AND N-ISOPROPYLIMINO ANALOGS
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It was established that γ-protonation of the substrate takes place preferentially during the acid hydrolysis of 2,6,6-trimethyl-1-carbonylcyclohex-2-ene and its thio and N-isopropylimino analogs.The contribution from γ-protonation increases with increase in the polarity of the medium, the activity of H+, and the electronegativity of the heteroatom.The experimental results were confirmed by theoretical calculations (MNDO).
- Lyashchuk, S. N.,Skrypnik, Yu. G.,Bezrodnyi, B. P.
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p. 109 - 114
(2007/10/02)
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