2-Methyl-4-pentenoic acid ester fragrance
Abstract
Abstract Methods are described for producing 2-methyl-4-pentenoic acid and C2-C6 alkyl esters thereof comprising first reacting a 1,1,1triethoxy propane with 2-propenol-1 to form ethyl-2-methyl-4pentenoate; then in the alternative, (i) using said ethyl-2methyl-4-pentenoate as such as a flavor or fragrance adjuvant or enhancer, or (ii) saponifying the ethyl-2-methyl-4-pentenoate with base to form a salt of 2-methyl-4-pentenoic acid and then acidifying the salt to form 2-methyl-4-pentenoic acid or (iii) reacting the ethyl-2-methyl-4-pentenoate with a C3-C6 lower alkanol to form a C3-C6 lower alkyl 2-methyl-4-pentenoate, in order to produce: A. In food flavorings, sweet, fruity, strawberry, winey-cognac, pineapple-like, pear, green, and apple-like aromas and taste; with cooked strawberry jam undertones; B. In perfumes, fruity, strawberry-like, sweet, cheesy, animal, berry, green, pear and banana notes; and C. In tobaccos, aromatic, sweet, sour, bitter, fruity, green and strawberry notes giving tobacco a ''''Turkish-like'''' character.
Inventors
- 👤 Ching Y Tseng
- 👤 John B Hall
- 👤 Manfred Hugo Vock
- 👤 Joaquin F Vinals
- 👤 Edward J Shuster
- 👤 Denis E Hruza
Bibliographic Details
Claims Analysis
Total Claims: 6References Cited (Backward Citations)
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