30434-65-2

Basic information

• Product Name: 3,4,4-TRIMETHYLCYCLOPENT-2-ENONE
• Synonyms: 3,4,4-TRIMETHYLCYCLOPENT-2-ENONE;3,4,4-Trimethyl-2-cyclopenten-1-one
• CAS NO: 30434-65-2
• Molecular Formula: C₈H₁₂O
• Molecular Weight: 124.18
• Mol File: 30434-65-2.mol
• Article Data: 8

Chemical Properties

• Boiling Point: 173°C at 760 mmHg
• Flash Point: 62.1°C
• Appearance: /
• Density: 0.92g/cm³
• Vapor Pressure: 1.29mmHg at 25°C
• Refractive Index: 1.458
• CAS DataBase Reference: 3,4,4-TRIMETHYLCYCLOPENT-2-ENONE(CAS DataBase Reference)
• NIST Chemistry Reference: 3,4,4-TRIMETHYLCYCLOPENT-2-ENONE(30434-65-2)
• EPA Substance Registry System: 3,4,4-TRIMETHYLCYCLOPENT-2-ENONE(30434-65-2)

Safety Data

• Hazardous Substances Data: 30434-65-2(Hazardous Substances Data)

Usage

Synthesis Reference(s)

The Journal of Organic Chemistry, 49, p. 931, 1984 DOI: 10.1021/jo00179a036

InChI:InChI=1/C8H12O/c1-6-4-7(9)5-8(6,2)3/h4H,5H2,1-3H3

Upstream product

• 589-66-2 isobutyl 2-butenoate 
• 38011-55-1 trans-2-methyl-2,5-heptadien-4-one 
• 76803-37-7 1-Diazo-4,5-dimethyl-hex-4-en-2-one 
• 73545-15-0 isobutyl trans-crotonate 
• 14472-55-0 3,4-Dimethyl-pent-3-en-carbonsaeure 
• 513-35-9 2-methyl-but-2-ene 
• 112841-81-3 methyl 5-hydroxy-2,4,4,5-tetramethyl-4,5-dihydro-3-furoate 
• 113895-25-3 methyl 2,4,4-trimethyl-5-methylene-4,5-dihydro-3-furoate 
• 118768-39-1 2,4,4-trimethyl-5-methylene-4,5-dihydro-3-furoic acid 
• 1111-97-3 3-chloro-3-methylbut-1-yne 
• 169627-05-8 3-Hydroxy-2,2,3-trimethyl-5-oxo-cyclopentanecarboxylic acid methyl ester 
• 99182-08-8 3-methoxycarbonyl-4,4-dimethylhexane-2,5-dione 
• 866-71-7 3,3-dimethyl-hexane-2,5-dione 
• 3238-16-2 3-chloro-3-methyl-2-butanone oxime 

Downstream Products

• 1297378-67-6 C₂₅H₃₉NO₂Si 
• 1297378-72-3 C₂₇H₄₀N₂OSi 
• 1297378-65-4 C₁₉H₂₅NO₂ 
• 25090-79-3 3,4,4-trimethyl-3-(4-methylphenyl)cyclopentanone 
• 30221-53-5 Trimethyl-3,4,4-cyclopenten-2-thion 

Relevant articles and documents

Improved synthesis of the pheromone of the longtailed mealybug

A short and efficient synthesis of the longtailed mealybug pheromone featuring an Ireland-Claisen rearrangement as the key step is described.

Sex pheromone of the longtailed mealybug: A new class of monoterpene structure

The sex pheromone of the longtailed mealybug, identified as 2-(1,5,5-trimethylcyclopent-2-en-1-yl)ethyl acetate, represents the first example of a new monoterpenoid skeleton. A [2,3]-sigmatropic rearrangement was used in a key step during construction of the sterically congested tetraalkylcylopentene framework.

Fragmentation-recombination nazarov cyclization: 3,4-Dimethylcyclopent-2-en-1-one

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