- Aza-retinoids as novel retinoid X receptor-specific agonists
-
A new structurally simple series of potent lipophilic aza-retinoids RXR agonists has been developed. SAR studies for the N-alkyl-azadienoic acids described here demonstrate that the RXR activity profile is sensitive to the N-alkyl chain length. Further, we have expanded the work to include azadienoic acids, which exhibited many accessible conformations leading to a better understanding of the SAR around the series.
- Farmer, Luc J.,Marron, Kristen S.,Canan Koch, Stacie S.,Hwang,Kallel, E. Adam,Zhi, Lin,Nadzan, Alex M.,Robertson, Dave W.,Bennani, Youssef L.
-
p. 2352 - 2356
(2007/10/03)
-
- Ketone precursors for organoleptic compounds
-
The invention discloses ketones of formula I: wherein, Y is an optionally substituted alkyl, cycloalkyl, or cycloalkylalkyl, wherein each alkyl group is straight or branched and each alkyl and cycloalkyl group is saturated or unsaturated; R1is hydrogen or a C1-6alkyl group that is substituted, saturated or unsaturated, straight or branched; A is a chromophoric substituted aromatic ring or ring system; n is an integer; and with the proviso that formula I is not 2-ethoxy-1-phenyl-ethanone. These compositions are useful for the delivery of organoleptic compounds, especially of flavors, fragrances, masking agents and antimicrobial compounds.
- -
-
-
- STRUCTURE OF THE SIDE PRODUCTS IN THE SYNTHESIS OF 4-ACETYL-1,1-DIMETHYL-6-TERT-BUTYLINDANE
-
The minor products from the acetylation of 1,1-dimethyl-6-tert-butylindane with acetyl chloride were isolated and identified by PMR spectroscopy.The configuration of the substituents in isomeric compounds with an identical type of substitution in the aromatic ring was established by means of the long-range spin-spin coupling constants of the aromatic protons with the protons of the five-membered ring.
- Smirnova, O. B.,Cherkaev, G. V.,Shekhtman, N. M.
-
p. 2123 - 2127
(2007/10/02)
-
- Process for the production of compounds useful in perfumery
-
Process for producing compounds useful in perfumery including isochromans and acylated indane hydrocarbons with an alkylene oxide or with a lower acyl halide in the presence of a hydrocarbon or hydrocarbon mixture containing C5 to C10 alkanes at a temperature of from -20° C. up to -5° C. In the case of forming isochromans, the resulting alcohol is reacted, in situ, with a lower alkanol and a formaldehyde precursor at temperatures of from 20° C. up to 80° C.
- -
-
-
