HCID 19595739, compound → HCID 20549695, compound

HRID 2058408Notes

Reaction equation

[CH3:1][C:2]1[C:15]2[O:14][P:13](=[O:17])([OH:16])[C:12]3[C:7](=[CH:8][CH:9]=[C:10]([CH3:18])[CH:11]=3)[C:6]=2[CH:5]=[C:4]([CH3:19])[CH:3]=1.[Br:20][O-].[Na+]>>[CH3:1][C:2]1[C:15]2[O:14][P:13](=[O:16])([OH:17])[C:12]3[C:7](=[CH:8][C:9]([Br:20])=[C:10]([CH3:18])[CH:11]=3)[C:6]=2[CH:5]=[C:4]([CH3:19])[CH:3]=1

Participants

Reactant 2

HCID 19595739HCID 19595739, compound

HCID 23673712Sodium hypobromite

Product 1

HCID 20549695HCID 20549695, compound

Procedure

9,10-Dihydro-1,3,7-trimethyl-9-hydroxy-9-phospha-10-oxaphenanthrene-9-oxide (268 g) is treated with an aqueous solution of sodium hypobromite at 60° C. in the same manner as in Example 6, to give about 250 g of 9,10-dihydro-1,3,7-trimethyl-6-bromo-9-hydroxy-9-phospha-10-oxaphenanthrene-9-oxide, exhibiting a phosphorus content of 8.7% (theoretical value: 8.77%), an acid value of 160 (theoretical value: 158,9) and a melting point of 260° C. or higher, which will be hereinafter referred to as CA-M1,3,7-B6.

Sources & evidence

ORD record: ord-c747b645594d4df3ae1b50445f7a32c1
Source dataset: uspto-grants-1982_03
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US04317769

Reaction notes

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