HuagongsheHuagongshe Chemistry Print Report · For research reference only
5,6,7-Trimethoxy-1,2,3,4-tetrahydroisoquinoline → 4-Amino-6,7,8-trimethoxy-2-(5,6,7-trimethoxy-1,2,3,4-tetrahydroisoquinolin-2-yl)quinazoline
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 5,6,7-Trimethoxy-1,2,3,4-tetrahydroisoquinoline | HCID 270529 | — |
| Reactant | 2-Chloro-6,7,8-trimethoxyquinazolin-4-amine | HCID 3015804 | — |
| Product | 4-Amino-6,7,8-trimethoxy-2-(5,6,7-trimethoxy-1,2,3,4-tetrahydroisoquinolin-2-yl)quinazoline | HCID 21416703 | — |
Reaction Steps
The procedure described in Example 1 was followed to prepare the above compound, starting from 4-amino-2-chloro-6,7,8-trimethoxyquinazoline and using 5,6,7-trimethoxy-1,2,3,4-tetrahydroisoquinoline as the regent of choice on the same molar basis as before. In this particular instance, the final product was obtained as the free base compound, m.p. 193°-195° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04044136 |
| Source dataset | uspto-grants-1977_08 |
| ORD ID | ord-8bd2c6be9fcd412591a7f0c51c5ad37e |
| Source note | uspto-grants-1977_08 |