1,4-Dihydroxy-2,2,6,6-tetramethylpiperidine → Bis(1-hydroxy-2,2,6,6-tetramethyl-4-piperidinyl)decandioate

HRID 1900226

Reaction equation

HRID 1900226 reaction equation
[OH:1][N:2]1[C:7]([CH3:9])([CH3:8])[CH2:6][CH:5]([OH:10])[CH2:4][C:3]1([CH3:12])[CH3:11].[C:13]([O:27]C)(=O)[CH2:14][CH2:15][CH2:16][CH2:17][CH2:18][CH2:19][CH2:20][CH2:21][C:22]([O:24][CH3:25])=[O:23]>C(CC(C)(C)C)(C)C>[C:22]([O:24][CH:25]1[CH2:6][C:7]([CH3:9])([CH3:8])[N:2]([OH:1])[C:3]([CH3:12])([CH3:11])[CH2:4]1)(=[O:23])[CH2:21][CH2:20][CH2:19][CH2:18][CH2:17][CH2:16][CH2:15][CH2:14][C:13]([O:10][CH:5]1[CH2:6][C:7]([CH3:8])([CH3:9])[N:2]([OH:1])[C:3]([CH3:12])([CH3:11])[CH2:4]1)=[O:27]

Participants

4

Reactant 2

HCID 53951,4-Dihydroxy-2,2,6,6-tetramethylpiperidineHCID 7829Dimethyl sebacate

Product 1

HCID 11272241Bis(1-hydroxy-2,2,6,6-tetramethyl-4-piperidinyl)decandioate

Reagents, catalysts & solvents 1

HCID 109072,2,4-TrimethylpentaneSolvent

Procedure

Following the procedure of Example 2, 36.2 g (0.21 mol, a 5 mol % excess) of 1-oxyl-2,2,6,6-tetramethylpiperidin-4-ol, 23.0 g (0.1 mol) of dimethyl sebacate and 110 ml of isooctane are reacted to give orange crystals melting at 101°-103° C.

Sources & evidence

ORD record
ord-f61e828161794cc7b98a48a3901ecaeb
Source dataset
uspto-grants-1996_11
Patent number
US05574163

Linked notes

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