HuagongsheHuagongshe Chemistry Print Report · For research reference only
1-(Bromomethyl)-2-chloro-4-fluorobenzene → 6-[3 (R)-Amino-piperidin-1-yl]-1-(2-chloro-4-fluoro-benzyl)-3-methyl-1H-pyrimidine-2,4-dione
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 1-(Bromomethyl)-2-chloro-4-fluorobenzene | HCID 2725062 | — |
| Reactant | Trelagliptin Impurity 47 | HCID 11464036 | — |
| Product | 6-[3 (R)-Amino-piperidin-1-yl]-1-(2-chloro-4-fluoro-benzyl)-3-methyl-1H-pyrimidine-2,4-dione | HCID 11314596 | — |
Reaction Steps
The title compound was prepared from compound 1 using the same procedures as described the preparation of compound 10, except that 2-chloro-4-fluoro-benzyl bromide was used in the place of 2-bromo-5-fluoro-benzyl bromide. 1H-NMR (400 MHz, CDCl3-CD3OD 10:1) δ 7.15 (dd, J=8.211, 2.400 Hz, 1H), 6.95-7.06 (m, 2H), 5.40 (s, 1H), 5.09-5.18 (ABq, J=37.7, 15.9 Hz, 2H), 3.33-3.39 (m, 1H), 3.30 (s, 3H), 3.23-3.29 (m, 1H), 2.98 (bd, J=12.9 Hz, 1H), 2.79 (t, J=10.4 Hz, 1H), 2.55-2.66 (t, J=11.2 Hz, 1H), 2.13 (m, 1H), 1.78-1.88 (m, 1H), 1.55-1.65 (m, 2H). MS (ES) [m+H] calc'd for C17H21ClFN4O2, 367.1; found 367.1.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US07906523B2 |
| Source dataset | uspto-grants-2011_03 |
| ORD ID | ord-19e0de6805d9479bb71603af869b7154 |
| Source note | uspto-grants-2011_03 |