Cyclopentaneacetic esters

Conjugate additions. Cyclopentaneacetic esters are readily prepared by cyclization of -iodo-a,P-unsaturated esters. The Michael reaction of silyl ketene acetals with enones (and Mukaiyama aldol reaction) can be promoted by Sml,. " However, thermodynamic enolsilylation of carbonyl compounds under similar conditions is noted. 

The chemical structures of the majority of FMs that have been studied in wastewater treatment are given in Figs. 1-3. Figure 1 shows a variety of FM structures that include alcohols, aldehydes, and ketones, including benzyl acetate (phenylmethyl ester acetic acid), methyl salicylate (2-hydroxy-methyl ester benzoic acid), methyl dihydrojasmonate (3-oxo-2-pentyl-methyl ester cyclopentaneacetic acid), terpineol (4-trimethyl-3-cyclohexene-1-methanol), benzyl salicylate (2-hydroxy-phenylmethyl ester benzoic acid), isobornyl acetate... 

Methyl jasmonate [1211-29-6], 3-oxo-2-(2-civ-pentenyl)cyclopentaneacetic acid methyl ester... 

The methyl ester of jasmonic acid (methyl 3-oxo-2-(2 -pentenyl)-cyclopentaneacetate) is also known as both an active plant hormone and an important fragrance and flavor component with sweet-floral and jasmine-like aroma notes (13). Methyl jasmonate induces plant systems to provide defense from microbial infection, and is a secondary synthesis product of plants. Methyl jasmonate was also isolated from the Oriental fruit moth, Grapholitha molesta as a part of the male sex hormone (7,75). The authors demonstrated that the volatile form of jasmonic acid, methyl jasmonate, is a major signal molecule for inter- and intra species communications. Methyl jasmonate is expected to have... 

Cyclopentaneacetic acid, 3-oxo-2-(2-pentenyl)-, methyl ester. See Methyl jasmonate Cyclopentaneacetic acid, 3-oxo-2-pentyl-, methyl ester. See Methyidihydrojasmonate Cyclopentane, butyl-. See Butylcyclopentane Cyclopentane carboxylic acid CAS 3400-45-1 EINECS/ELINCS 222-269-5 Classification Nonaromatic carboxylic acid Empirical C6H10O2 Formula C5H9CO2H... 

Synonyms 2-Amylcyclopentanoneacetic acid methyl ester 3-(Carbomethoxymethyl)-2-pentylcyclopentanone Cyclopentaneacetic acid, 3-oxo-2-pentyl-, methyl ester Methyl (2-amyl-3-oxocyclopentyl) acetate Methyl 2-hexyl-3-oxocyclopentanecarboxylate Methyl (1 R-trans)-3-oxo-2-pentylcyclopentaneacetate Methyl 3-oxo-2-pentylcyclopentaneacetate 3-Oxo-2-pentylcyclopentaneacetic acid, methyl ester Classification Organic compd. 

Oxo-2-(2-pentenyl) cyclopentaneacetic acid, methyl ester. See Methyl jasmonate... 

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