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2H-Cyclopenta[b]furan-2-one, hexahydro- is a cyclic organic compound with the molecular formula C6H10O2. It is a derivative of cyclopenta[b]furan-2-one, where the parent compound has been reduced by the addition of six hydrogen atoms. 2H-Cyclopenta[b]furan-2-one, hexahydro- is characterized by a five-membered cyclopentane ring fused to a furan ring, with a ketone functional group at the 2-position. It is an important intermediate in the synthesis of various pharmaceuticals and agrochemicals due to its unique structure and reactivity. The compound is typically synthesized through various chemical reactions, such as acid-catalyzed cyclization or reduction of related compounds. Its properties, such as solubility and stability, can be influenced by the presence of functional groups and the specific conditions under which it is prepared.

5745-61-9

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5745-61-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 5745-61-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,7,4 and 5 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 5745-61:
(6*5)+(5*7)+(4*4)+(3*5)+(2*6)+(1*1)=109
109 % 10 = 9
So 5745-61-9 is a valid CAS Registry Number.

5745-61-9SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 19, 2017

Revision Date: Aug 19, 2017

1.Identification

1.1 GHS Product identifier

Product name 3,3a,4,5,6,6a-hexahydrocyclopenta[b]furan-2-one

1.2 Other means of identification

Product number -
Other names 2-Hydroxycyclopentaneacetic acid lactone

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:5745-61-9 SDS

5745-61-9Relevant academic research and scientific papers

REACTIONS DU TYPE FRIEDEL-CRAFTS DE CERTAINS ACIDES INSATURES SUR LE BENZENE XV. CONTROLE CINETIQUE DE LA REACTION DES ACIDES INSATURES CYCLIQUES

Razus, Alexandru C.,Arvay, Zsolt,Birzan, Liviu,Nae, Stefania

, p. 1259 - 1266 (2007/10/03)

It was studied the reaction of the cyclopentylidene- and cyclopentylacetic acids and the lactone of the cis-hydroxy-2-cyclopentaneacetic acid with the benzene in the presence of aluminium chloride complexed with nitromethane or iron(III) chloride as catalyst. In these conditions the rearrangement of the reaction products was quite limitted. The reaction products were identified and a reaction mechanism was proposed.

Anodic Oxidation of Norcamphor in Aqueous Electrolytes

Ye, Siyu,Beck, F.

, p. 37 - 40 (2007/10/02)

Norcamphor (1) was anodically oxidized at Pb/PbO2 anodes in 1 M*H2SO4, MeCN/H2O (V/V = 1/1). 3-Oxocyclopentaneacetic acid (3) and oxabicyclooctan-3-one (4) were obtained with material yields up to 76percent and 42percent, respectively.The effects of electrode materials, current densities and concentrations were studied.A possible anodic oxidation mechanism was proposed.

Acid-Catalyzed Hydrolysis of Bridged Bi- and Tricyclic Compounds. XXVI. The Mechanisms of Formation of the Hydration Products of 2-Norbornen-5-one

Lajunen, Martti,Lahti, Marjo,Heimo, Satu

, p. 771 - 776 (2007/10/02)

The acid-catalyzed hydration of 2-norbornen-5-one (1) in 5 mol dm-3 HClO4 at 358 K produces, according to GLC analyses, exo-5-hydroxy-2-norbornanone (2), 2-oxabicycloctan-3-one (3), which is in equilibrium with cis-3-hydroxycyclopentaneacetic acid (5), and 2-oxabicyclooctan-3-one (4).The former lactone (3) is unstable and rearranges slowly to the latter (4).The ketoalcohol (2) is formed via the slow protonation of norbornenone at C(3) and via subsequent hydration of the carbocation.The lactones are formed via complicated routes started by the protonation of norbornenone at C(2), and comprising 3- and 2-cyclopentaneacetic acid (7 and 9) as unstable intermediate products.

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