Dimethyl naphthalen-2-ylphosphonate → Naphthalene

HRID 542142Notes

Reaction equation

HRID 542142 reaction equation
COP([C:7]1[C:16]2[C:11](=[CH:12][CH:13]=[CH:14][CH:15]=2)[CH:10]=[CH:9][CH:8]=1)(=O)OC.COP(C1C=CC2C(=CC=CC=2)C=1)(=O)OC>>[CH:15]1[C:16]2[C:11](=[CH:10][CH:9]=[CH:8][CH:7]=2)[CH:12]=[CH:13][CH:14]=1

Participants

3

Procedure

Working up is carried out analogously to Example 4 and gives, in addition to 3.3 g of naphthalene, 14.2 g (81%) of a mixture of isomers, dimethylnaphthalene-1-phosphonate (88.8% by area) and dimethylnaphthalene-2-phosphonate (9.7% by area). The current efficiency is 44%.

Sources & evidence

ORD record
ord-fb568ba90e5e4b72a4e0a5474eb896d6
Source dataset
uspto-grants-1987_04
Patent number
US04655883

Reaction notes

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