75283-35-1

Basic information

• Product Name: HEPTA-4,6-DIENOIC ACID
• Synonyms: HEPTA-4,6-DIENOIC ACID
• CAS NO: 75283-35-1
• Molecular Formula: C₇H₁₀O₂
• Molecular Weight: 126.15
• Mol File: 75283-35-1.mol
• Article Data: 5

Chemical Properties

• Boiling Point: 237.5°C at 760 mmHg
• Flash Point: 134.9°C
• Appearance: /
• Density: 0.99g/cm³
• Vapor Pressure: 0.0152mmHg at 25°C
• Refractive Index: 1.474
• CAS DataBase Reference: HEPTA-4,6-DIENOIC ACID(CAS DataBase Reference)
• NIST Chemistry Reference: HEPTA-4,6-DIENOIC ACID(75283-35-1)
• EPA Substance Registry System: HEPTA-4,6-DIENOIC ACID(75283-35-1)

Safety Data

• RIDADR: UN 2811 6.1 / PGIII
• Hazardous Substances Data: 75283-35-1(Hazardous Substances Data)

Usage

General Description

Hepta-4,6-dienoic acid, also known as sorbic acid, is a natural organic compound that is commonly used as a food preservative due to its antimicrobial properties. It is typically derived from fruit such as mountain ash berries or synthesized from petrochemicals. Sorbic acid is effective in inhibiting the growth of mold, yeast, and some bacteria, making it a popular choice for extending the shelf life of various foods and beverages. It is considered safe for consumption in small quantities and is approved for use in many countries around the world. Additionally, hepta-4,6-dienoic acid is also used in the production of certain cosmetics and pharmaceuticals for its antimicrobial properties.

InChI:InChI=1/C7H10O2/c1-2-3-4-5-6-7(8)9/h2-4H,1,5-6H2,(H,8,9)/b4-3+

Upstream product

• 75283-59-9 2-(2,4-pentadien-1-yl)propanedioic acid 
• 71779-51-6 ethyl hepta-4(E),6-dienoate 
• 52022-82-9 (E)-5-bromopenta-1,3-diene 
• 75283-58-8 2-(2,4-pentadienyl)malonic acid dimethyl ester 

Relevant articles and documents

Investigations into nicotinic acetylcholine receptor (nAChR) antagonists: Synthesis of a sub-unit of methyllycaconitine

A potentially toxophoric subunit of methyllycaconitine has been synthesised from penta-1,4-dien-3-ol in 14 steps and 5% overall yield.

Synthesis of the A/E/F sections of conaconitine, napelline and related diterpenoid alkaloids of the aconitine group

The tricyclic amines (±)-2; R = H and R = Me with five stereogenic centres, representing the A/E/F ring system of the title alkaloids, have been synthesised from penta-1,4-dien-3-ol in eight (overall yield 20%) and nine steps (overall yield 16%) respectively.

Cyclopentene Annulation via Intramolecular Addition of Diazo Ketones to 1,3-Dienes. Applications to the Synthesis of Cyclopentanoid Terpenes

Initial model studies investigating the utility of a new intramolecular cyclopentene annulation procedure are described as pertaining to the preparation of bicyclooctenones.Several 1-diazo-5,7-octadien-2-ones substituted at the 1-, 7-, or 8-position were decomposed in the presence of Cu(acac)2 to yield stereospecifically the corresponding vinylcyclopropanes 13, 16, 21, 24, and 27.The thermal as well as the rhodium-promoted modes of rearrangement to the appropriate cyclopentenes 14, 17, 22a,b, and 28a,b were studied.Where necessary, diastereomers were separatedand structurally assigned by relying on 13C NMR spectroscopy. 13C NMR data are provided for all new compounds in the bicyclooctane series to serve as an aid in assignments of cyclopentanoid terpenes synthesized by this methodology.The intramolecular cylopropanation-rearrangement sequence of dienic diazo ketones has been shown to provide facile access to bicyclooctanes of the type 14, 17, 22a,b, and 25a,b which are of value as terpene synthons.Enhanced stereoselectivity was observed in the rhodium-promoted cyclopentene rearrangements in favor of the less concave diastereomers (22a, 25a, and 28a).Finally, the sesquiterpene hirsutene (31) was synthesized in 37percent overall yield by this methodology. 13C NMR data for several tricyclo2,6>undecane compounds are also provided.