2,3-Dihydrobenzo[b]furan-5-carbaldehyde

The IUPAC name of 2,3-Dihydrobenzo[beta]furan-5-carbaldehyde is 2,3-dihydro-1-benzofuran-5-carbaldehyde. With the CAS registry number 55745-70-5, it is also named as 5-Benzofurancarboxaldehyde,2,3-dihydro-. The product's categories are Aldehyde; Fluorobenzene; Carbonyl Compounds; Heterocycles; Heterocycle Intermediates; Aromatics Compounds; Furans; Aromatics; Pharmaceutical Intermediate; Benzofurans; Building Blocks; Heterocyclic Building Blocks. Besides, it should be stored in sealed container in a cool, dry place. And you should ensure that the workplaces have good ventilated or exhaust devices. In addition, its molecular formula is C₉H₈O₂ and molecular weight is 148.16.

The other characteristics of this product can be summarized as: (1)EINECS: 259-788-1; (2)ACD/LogP: 1.71; (3)# of Rule of 5 Violations: 0; (4)#H bond acceptors: 2; (5)#H bond donors: 0; (6)#Freely Rotating Bonds: 1; (7)Polar Surface Area: 26.3 Å²; (8)Index of Refraction: 1.612; (9)Molar Refractivity: 42.17 cm³; (10)Molar Volume: 121.2 cm³; (11)Polarizability: 16.71×10^-24cm³; (12)Surface Tension: 50.4 dyne/cm; (13)Density: 1.222 g/cm³; (14)Flash Point: 133.2 °C; (15)Enthalpy of Vaporization: 51.6 kJ/mol; (16)Boiling Point: 277.5 °C at 760 mmHg; (17)Vapour Pressure: 0.00452 mmHg at 25 °C.

Preparation of 2,3-Dihydrobenzo[beta]furan-5-carbaldehyde: this chemical can be prepared by 2,3-Dihydro-benzofuran and Bis-chloromethyl ether.



This reaction needs TiCl₄. The yield is 55 %.

Uses of 2,3-Dihydrobenzo[beta]furan-5-carbaldehyde: it can react with Nitroethane to get 5-[1-(2-Nitropropenyl)]-2,3-dihydrobenzofuran.



This reaction needs Ammonium acetate at temperature of 110 °C for 3.5 hours. The yield is 67 %.

When you are using this chemical, please be cautious about it as the following: it may cause sensitization by skin contact.You should wear suitable gloves and eye/face protection.

People can use the following data to convert to the molecule structure.
(1)SMILES: O=Cc2cc1c(OCC1)cc2
(2)InChI: InChI=1/C9H8O2/c10-6-7-1-2-9-8(5-7)3-4-11-9/h1-2,5-6H,3-4H2
(3)InChIKey: WEBVDBDZSOJGPB-UHFFFAOYAE
(4)Std. InChI: InChI=1S/C9H8O2/c10-6-7-1-2-9-8(5-7)3-4-11-9/h1-2,5-6H,3-4H2
(5)Std. InChIKey: WEBVDBDZSOJGPB-UHFFFAOYSA-N