Acetic Anhydride → HCID 5270587, compound

HRID 1761263Notes

Reaction equation

HRID 1761263 reaction equation
[CH:1]1[C:6](/[CH:7]=[N:8]/[NH:9][C:10]([C:12]2[CH:17]=[CH:16][N:15]=[CH:14][CH:13]=2)=[O:11])=[CH:5][C:4]([Cl:18])=[C:3]([Cl:19])[CH:2]=1.[C:20](OC(=O)C)(=[O:22])[CH3:21].C1OC=NN1>>[Cl:18][C:4]1[CH:5]=[C:6]([CH:7]2[N:8]([C:20](=[O:22])[CH3:21])[N:9]=[C:10]([C:12]3[CH:17]=[CH:16][N:15]=[CH:14][CH:13]=3)[O:11]2)[CH:1]=[CH:2][C:3]=1[Cl:19]

Participants

4

Reactant 3

HCID 7918Acetic AnhydrideHCID 6861538HCID 6861538, compoundHCID 19831876HCID 19831876, compound

Product 1

HCID 5270587HCID 5270587, compoundYield 36%

Procedure

The title compound was prepared from the isonicotinoylhydrazone of 3,4-dichlorobenzaldehyde and acetic anhydride, using the General Structural Outline for Oxadiazoline Synthesis in 36% yield, mp 101-104° C., IR ν 1667, 1628, 1598, 1552, 1410, 1365, 1334, 1314, 1266, 1212, 1169, 1130, 1094, 1072, 1032, 990, 926, 885, 857, 825, 745, 723, 702 cm−1.

Sources & evidence

ORD record
ord-80d339383d0f4da89783dae96e077717
Source dataset
uspto-grants-2005_01
Patent number
US06846933B1

Reaction notes

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