Dibutyltin oxide → Dibutyltin Bis-[3-(5-chloro-2H-benzotriazol-2-yl)-5-tert-butyl-4-hydroxyhydrocinnamate]

HRID 433654Notes

Reaction equation

[Cl:1][C:2]1[CH:26]=[CH:25][C:5]2=[N:6][N:7]([C:9]3[CH:10]=[C:11]([CH:17]=[C:18]([C:21]([CH3:24])([CH3:23])[CH3:22])[C:19]=3[OH:20])[CH2:12][CH2:13][C:14]([OH:16])=[O:15])[N:8]=[C:4]2[CH:3]=1.[CH2:27]([Sn:31](=O)[CH2:32][CH2:33][CH2:34][CH3:35])[CH2:28][CH2:29][CH3:30]>>[Cl:1][C:2]1[CH:26]=[CH:25][C:5]2=[N:6][N:7]([C:9]3[CH:10]=[C:11]([CH:17]=[C:18]([C:21]([CH3:22])([CH3:23])[CH3:24])[C:19]=3[OH:20])[CH2:12][CH2:13][C:14]([O-:16])=[O:15])[N:8]=[C:4]2[CH:3]=1.[Cl:1][C:2]1[CH:26]=[CH:25][C:5]2=[N:6][N:7]([C:9]3[CH:10]=[C:11]([CH:17]=[C:18]([C:21]([CH3:22])([CH3:23])[CH3:24])[C:19]=3[OH:20])[CH2:12][CH2:13][C:14]([O-:16])=[O:15])[N:8]=[C:4]2[CH:3]=1.[CH2:27]([Sn+2:31][CH2:32][CH2:33][CH2:34][CH3:35])[CH2:28][CH2:29][CH3:30]

Participants

Reactant 2

HCID 61221Dibutyltin oxide

HCID 180087183-(5-Chlorobenzotriazol-2-yl)-5-tert-butyl-4-hydroxyhydrocinnamic acid

Product 1

HCID 22715280Dibutyltin Bis-[3-(5-chloro-2H-benzotriazol-2-yl)-5-tert-butyl-4-hydroxyhydrocinnamate]

Procedure

Following the synthetic procedure of Example 25, the title compound is prepared by reaction of the corresponding equivalent amounts of 3-(5-chloro-2H-benzotriazol-2-yl)-5-tert-butyl-4-hydroxyhydrocinnamic acid and dibutyltin oxide to give the title compound as a yellow resin (47.24 g, 97.6% yield) whose structure is consistent with 1Hnmr.

Sources & evidence

ORD record: ord-780c54e2a7c84ce48d07b909bfd01425
Source dataset: uspto-grants-2003_12
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US06667403B2

Reaction notes

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