27655-93-2

Basic information

• Product Name: (2E,4E)-4-methyl-5-phenylpenta-2,4-dienoic acid
• Synonyms: (2E,4E)-4-methyl-5-phenylpenta-2,4-dienoic acid
• CAS NO: 27655-93-2
• Molecular Weight: 188.226
• Mol File: 27655-93-2.mol
• Article Data: 4

Chemical Properties

• CAS DataBase Reference: (2E,4E)-4-methyl-5-phenylpenta-2,4-dienoic acid(CAS DataBase Reference)
• NIST Chemistry Reference: (2E,4E)-4-methyl-5-phenylpenta-2,4-dienoic acid(27655-93-2)
• EPA Substance Registry System: (2E,4E)-4-methyl-5-phenylpenta-2,4-dienoic acid(27655-93-2)

Safety Data

• Hazardous Substances Data: 27655-93-2(Hazardous Substances Data)

Upstream product

• 15174-47-7 α-methyl-trans-cinnamaldehyde 
• 58550-28-0 (2E,4E)-ethyl 4-methyl-5-phenylpenta-2,4-dienoate 
• 100-52-7 benzaldehyde 
• 148904-71-6 (2-methyl-3-phenyl-allylidene)-malonic acid 
• 18795-82-9 2-propylidene malonic acid dimethyl ester 
• 77182-91-3 (2Z,4E)-4-methyl-5-phenylpenta-2,4-dienoic acid 

Downstream Products

• 37580-42-0 (E)-2-methyl-1-phenyl-1,3-butadiene 
• 406725-16-4 (2E,4E)-6-(4-Methyl-5-phenylpenta-2,4-dienoylamino)-hexanoic acid methyl ester 

Relevant articles and documents

Palladium-Catalyzed Chemoselective Protodecarboxylation of Polyenoic Acids

Conditions for the first palladium-catalyzed chemoselective protodecarboxylation of polyenoic acids to give the desired polyenes in good yields are presented. The reactions proceed under mild conditions using either a Pd(0) or Pd(II) catalyst and tolerate a variety of aryl and aliphatic substitutions. Unique aspects of the reaction include the requirement of phosphines, water, and a polyene adjacent to the carboxylic acid.

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