Diketene → HCID 15702336, compound

HRID 893389Notes

Reaction equation

HRID 893389 reaction equation
[NH2:1][CH:2]1[CH2:7][C:6]([CH3:9])([CH3:8])[NH:5][C:4]([CH3:11])([CH3:10])[CH2:3]1.[CH2:12]=[C:13]1[O:17][C:15](=[O:16])[CH2:14]1>>[C:15]([NH:1][CH:2]1[CH2:3][C:4]([CH3:11])([CH3:10])[NH:5][C:6]([CH3:9])([CH3:8])[CH2:7]1)(=[O:16])[CH2:14][C:13]([CH3:12])=[O:17]

Participants

3

Reactant 2

HCID 12661DiketeneHCID 375244-Amino-2,2,6,6-tetramethylpiperidine

Product 1

HCID 15702336HCID 15702336, compound

Procedure

The procedure of Example (1a) was repeated using 4- amino-2,2,6,6-tetramethylpiperidine, without introducing catalyst and performing the addition of diketene at a temperature of 0° C. to 10° C.; 4-acetoacetamido-2,2,6,6-tetramethyl-piperidine was obtained in the form of a white solid which had a melting point of 115° C.

Workup

  1. additionwithout introducing catalyst

Sources & evidence

ORD record
ord-83b9d015c6cb4573b27363c5bfb6d90f
Source dataset
uspto-grants-1992_06
Patent number
US05124456

Reaction notes

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