Ethyl 6,7-dimethoxy-1,2,3,4-tetrahydroisoquinoli CAS NO.14028-68-3

1. Introduction of Ethyl 6,7-dimethoxy-1,2,3,4-tetrahydroisoquinoli (CAS Number:14028-68-3)
With the CAS registry number of 14028-68-3, Ethyl 6,7-dimethoxy-1,2,3,4-tetrahydroisoquinoli is also known as 1-Isoquinolineaceticacid, 1,2,3,4-tetrahydro-6,7-dimethoxy-, ethyl ester. This chemical's molecular formula is C₁₅H₂₁NO₄ and molecular weight is 279.3315. What's more, its IUPAC name is Ethyl 2-(6, 7-dimethoxy-1, 2, 3, 4-tetrahydroisoquinolin-1-yl)acetate.

2. Properties of Ethyl 6,7-dimethoxy-1,2,3,4-tetrahydroisoquinoli (CAS Number:14028-68-3)
Density: 1.098 g/cm³
Boiling Point: 391.202 °C at 760 mmHg
Flash Point: 190.392 °C

3. Structure Descriptors of Ethyl 6,7-dimethoxy-1,2,3,4-tetrahydroisoquinoli (CAS Number:14028-68-3)
(1) SMILES: O=C(OCC)CC2c1c(cc(OC)c(OC)c1)CCN2
(2) InChI: InChI=1/C15H21NO4/c1-4-20-15(17)9-12-11-8-14(19-3)13(18-2)7-10(11)5-6-16-12/h7-8,12,16H,4-6,9H2,1-3H3
(3) InChIKey: RLUWHGCQILMZMC-UHFFFAOYAY

4. Preparation of Ethyl 6,7-dimethoxy-1,2,3,4-tetrahydroisoquinoli (CAS Number:14028-68-3)
Ethyl 6,7-dimethoxy-1,2,3,4-tetrahydroisoquinoli is prepared by reaction of 6, 7-Dimethoxy-3, 4-dihydro-isoquinoline with Malonic acid monoethyl ester. The reaction time is 60 minutes with reaction temperature of 120 °C. The yield is about 81 %.


5. Use of Ethyl 6,7-dimethoxy-1,2,3,4-tetrahydroisoquinoli (CAS Number:14028-68-3)
Ethyl 6,7-dimethoxy-1,2,3,4-tetrahydroisoquinoli is used to produce other chemicals. For example, it is used to produce 4-(3-Chloro-phenyl)-9, 10-dimethoxy-1, 6, 7, 11b-tetrahydro-pyrimido[6, 1-a]isoquinolin-2-one. The reaction needs reagent CH3COOH and solvent Benzene by heating. The reaction time is 14 hours. The yield is about 65 %.