An Efficient Synthesis of 7,11-diarylspiro[5.5]undecane-1,9-dione by the Michael Condensation Under Ultrasound Irradiation in Aqueous and Organic Two Phase in the Presence of Phase-Transfer Catalyst

Publisher： Bentham Science Publishers

E-ISSN： 1875-6255|5|7|579-582

ISSN： 1570-1786

Source： Letters in Organic Chemistry, Vol.5, Iss.7, 2008-10, pp. : 579-582

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