Ethyl Acetate → HCID 54433740, compound

HRID 892539Notes

Reaction equation

[CH3:1][C:2]1([CH3:27])[CH2:7][CH:6]([C:8]2[CH:13]=[CH:12][CH:11]=[CH:10][N:9]=2)[C:5]2[CH:14]=[C:15]([C:18](=[O:26])[C:19]3[CH:24]=[CH:23][C:22]([I:25])=[CH:21][CH:20]=3)[CH:16]=[CH:17][C:4]=2[O:3]1.C(OCC)(=[O:30])C>>[CH3:1][C:2]1([CH3:27])[CH2:7][CH:6]([C:8]2[CH:13]=[CH:12][CH:11]=[CH:10][N+:9]=2[O-:30])[C:5]2[CH:14]=[C:15]([C:18](=[O:26])[C:19]3[CH:20]=[CH:21][C:22]([I:25])=[CH:23][CH:24]=3)[CH:16]=[CH:17][C:4]=2[O:3]1

Participants

Reactant 2

HCID 8857Ethyl Acetate

HCID 19895638HCID 19895638, compound

Product 1

HCID 54433740HCID 54433740, compound

Procedure

In an analogous manner to that described in the first paragraph of Example 21, from 3,4-dihydro-2,2-dimethyl-6-(4-iodobenzoyl)-4-(2-pyridyl)-2H-1-benzopyran there was obtained 2-[3,4-dihydro-2,2-dimethyl-6-(4-iodobenzoyl)-2H-1-benzopyran-4-yl]pyridine N-oxide of melting point 171°-173° C. (from ethyl acetate).

Sources & evidence

ORD record: ord-72ed6ac81e0c4a668846836a38035118
Source dataset: uspto-grants-1992_06
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US05118694

Reaction notes

Loading…