C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 255/33 (2006.01) C07C 253/30 (2006.01) C11B 9/00 (2006.01) C11D 3/395 (2006.01) A61K 7/46 (1995.01)
Patent
CA 2070693
Described is the use in imparting, augmenting or enhancing aromas to or in perfume compositions, colognes and perfumed articles by admixing therewith an aroma imparting, augmenting or enhancing quantity of 2,2-dimethyl-4-phenyl valeronitrile defined according to the structure: Image . Also described herein is a process for preparing phenyl buty- ronitriles by reacting isobutyronitrile having the structure: ?CN with a styrene derivative defined according to the structure: Image according to the reaction: Image + Image Image in the presence of a catalyst selected from the group consisting of sodium hydride and lithium diisopropyl amide having the structure: Image at a temperature in the range of from about 90°C up to about 130°C yielding more than about 65% by weight of product wherein R1 and R2 are the same or different and each represents hydrogen or methyl.
de Virgilio John J.
Narula Anubhav P. S.
Schreiber William L.
Gowling Lafleur Henderson Llp
International Flavors & Fragrances Inc.
LandOfFree
Process for preparing phenyl butyronitriles and perfumery... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Process for preparing phenyl butyronitriles and perfumery..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for preparing phenyl butyronitriles and perfumery... will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-O-2069385