BIS(4-METHOXYPHENYL)PHOSPHINIC ACID synthesis
- Product Name:BIS(4-METHOXYPHENYL)PHOSPHINIC ACID
- CAS Number:20434-05-3
- Molecular formula:C14H15O4P
- Molecular Weight:278.24
104-92-7
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20434-05-3
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Yield:20434-05-3 89%
Reaction Conditions:
Stage #1: 1-bromo-4-methoxy-benzenewith tris(dibenzylideneacetone)dipalladium(0) chloroform complex;anilinium hypophosphite;triethylamine;4,5-bis(diphenylphosphino)-9,9-dimethylxanthene in tetrahydrofuran at 120;Microwave irradiation;Inert atmosphere;
Stage #2: with sodium hydroxide in diethyl ether;lithium hydroxide monohydrate;
Stage #3: with hydrogenchloride in lithium hydroxide monohydrate;
References:
Kalek, Marcin;Stawinski, Jacek [Tetrahedron,2009,vol. 65,# 50,p. 10406 - 10412] Location in patent:experimental part
1454907-96-0
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20434-05-3
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15754-51-5
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20434-05-3
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