Acetic Anhydride → HCID 53800728, compound

HRID 1583958Notes

Reaction equation

[C:1]([CH2:4][C:5](=[O:7])[CH3:6])(=[O:3])[CH3:2].[CH:8](OCC)(OCC)[O:9][CH2:10][CH3:11].C(OC(=O)C)(=O)C>>[CH2:10]([O:9][CH:8]=[CH:2][C:1]([CH2:4][C:5](=[O:7])[CH3:6])=[O:3])[CH3:11]

Participants

Reactant 3

HCID 7918Acetic Anhydride

HCID 31214Ethyl orthoformate

HCID 31261Acetylacetone

Product 1

HCID 53800728HCID 53800728, compound

Procedure

From acetylacetone (20 g, 0.20 mol), triethyl orthoformate (29.6 g, 0.20 mol) and acetic anhydride (41 g, 0.40 mol): 19.3 g, 62%; bp=95°-110° C. at 0.3 mm Hg; NMR (CDCl3) δ 1.3-1.6 (t, 3H), 2.4 (d, 6H), 4.3-4.5 (q, 2H), 7.8 (d, 1H).

Sources & evidence

ORD record: ord-bb4ce470cdbe4eeb8db02ed4f474c896
Source dataset: uspto-grants-1985_11
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US04555517

Reaction notes

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