2-METHOXY-1-NAPHTHALDEHYDE

The IUPAC name of 2-Methoxy-1-naphthylaldehyde is 2-methoxynaphthalene-1-carbaldehyde. With the CAS registry number 5392-12-1, it is also named as 1-naphthalenecarboxaldehyde, 2-methoxy-. The product's categories are Aromatic Aldehydes & Derivatives (substituted); Adehydes, Acetals & Ketones; Anisoles, Alkyloxy Compounds & Phenylacetates; Aldehydes; C10 to C21; Carbonyl Compounds. It is beige-brown crystalline powder which is sensitive to air. Additionally, this chemical should be sealed in the container, avoided direct sunshine and stored in the cool and dry place.

The other characteristics of this product can be summarized as: (1)ACD/LogP: 2.95; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 2.95; (4)ACD/LogD (pH 7.4): 2.95; (5)ACD/BCF (pH 5.5): 102.09; (6)ACD/BCF (pH 7.4): 102.09; (7)ACD/KOC (pH 5.5): 954.2; (8)ACD/KOC (pH 7.4): 954.2; (9)#H bond acceptors: 2; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 2; (12)Polar Surface Area: 26.3 Å²; (13)Index of Refraction: 1.642; (14)Molar Refractivity: 57.52 cm³; (15)Molar Volume: 159.2 cm³; (16)Surface Tension: 45.2 dyne/cm; (17)Enthalpy of Vaporization: 58.25 kJ/mol; (18)Vapour Pressure: 9.39E-05 mmHg at 25°C; (19)Rotatable Bond Count: 2; (20)Exact Mass: 186.06808; (21)MonoIsotopic Mass: 186.06808; (22)Topological Polar Surface Area: 26.3; (23)Heavy Atom Count: 14; (24)Complexity: 203.

Preparation of 2-Methoxy-1-naphthylaldehyde: It can be obtained by N-methyl-N-phenyl-formamide and 2-methoxy-naphthalene. This reaction which is a kind of Vilsmeier formylation needs reagent phosphorus oxychloride and solvent 1,2-dichloro-benzene at temperature of 100 °C. The reaction time is 1 hours. The yield is 70%.

Uses of 2-Methoxy-1-naphthylaldehyde: It can react with indan-1,3-dione to get 2-(2-methoxy-[1]naphthylmethylene)-indan-1,3-dione. This reaction needs reagent NaOMe and solvent tetrahydrofuran. The reaction time is 3 hours. The yield is 56%.

When you are using this chemical, please be cautious about it as the following:
It is irritating to eyes, respiratory system and skin. So people should avoid contact with skin and eyes. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. If you want to contact this product, you must wear suitable gloves and eye/face protection.

People can use the following data to convert to the molecule structure. 
1. SMILES:O=Cc1c2c(ccc1OC)cccc2
2. InChI:InChI=1/C12H10O2/c1-14-12-7-6-9-4-2-3-5-10(9)11(12)8-13/h2-8H,1H3
3. InChIKey:YIQGLTKAOHRZOL-UHFFFAOYAN