1995 (v1)
Publication
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1998 (v1)Publication
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1994 (v1)Publication
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1997 (v1)Publication
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1991 (v1)Publication
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1990 (v1)Publication
The prepn. of 2-(diethylamino)-7-ethoxychromone (I, X = O, R = R1 = H, R22N = Et2N) and a variety of related compds. is reported. Thus, 3-EtOC6H4OH cyclocondensed with R22NCOCH2CO2Et (R22N = Et2N, piperidino) in the presence of POCl3 to give I (X = O, R = R1 = H, R22N = Et2N, piperidino). Treating the latter compds. with P2S5 gave I (X = S)...
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1992 (v1)Publication
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1993 (v1)Publication
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1997 (v1)Publication
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Uploaded on: April 14, 2023