摘要 |
<p>Compounds of the formula I in which Ar is a group or unsubstituted or substituted cyclopentyl, cyclohexyl, naphthyl, biphenylyl or an O-, S- or N-containing 5- or 6-membered heterocyclic ring; R<SUB>1 </SUB>and R<SUB>2 </SUB>are C<SUB>1</SUB>-C<SUB>20</SUB>alkyl, OR<SUB>11</SUB>, CF<SUB>3 </SUB>or halogen; R<SUB>3</SUB>, R<SUB>4 </SUB>and R<SUB>5 </SUB>are hydrogen, C<SUB>1</SUB>-C<SUB>20</SUB>alkyl, OR<SUB>11 </SUB>or halogen; R<SUB>6 </SUB>is unsubstituted or substituted C<SUB>1</SUB>-C<SUB>24</SUB>alkyl, C<SUB>2</SUB>-C<SUB>24</SUB>alkyl, which is interrupted by O, S or NR<SUB>14 </SUB>and is unsubstituted or substituted; C<SUB>2</SUB>-C<SUB>24</SUB>alkenyl, uninterrupted or interrupted by O, S or NR<SUB>14 </SUB>and unsubstituted or substituted; unsubstituted or substituted C<SUB>7</SUB>-C<SUB>24</SUB>arylalkyl; C<SUB>4</SUB>-C<SUB>24</SUB>cycloalkyl, uninterrupted or interrupted by O, S and/or NR<SUB>14</SUB>; or C<SUB>8</SUB>-C<SUB>24</SUB>arylcycloalkyl; R<SUB>11 </SUB>is C<SUB>1</SUB>-C<SUB>20</SUB>alkyl, C<SUB>3</SUB>-C<SUB>8</SUB>cycloalkyl, phenyl, benzyl or C<SUB>2</SUB>-C<SUB>20</SUB>alkyl, interrupted by O or S and unsubstituted or substituted; R<SUB>12 </SUB>and R<SUB>13 </SUB>are hydrogen, C<SUB>1</SUB>-C<SUB>20</SUB>alkyl, C<SUB>3</SUB>-C<SUB>8</SUB>cycloalkyl, phenyl, benzyl or C<SUB>2</SUB>-C<SUB>20</SUB>alkyl, interrupted by O atoms and unsubstituted or substituted; or R<SUB>12 </SUB>and R<SUB>13 </SUB>together are C<SUB>3</SUB>-C<SUB>5</SUB>alkylene, uninterrupted or interrupted by O, S or NR<SUB>14</SUB>; R<SUB>14 </SUB>is hydrogen, phenyl, C<SUB>1</SUB>-C<SUB>12</SUB>alkyl or C<SUB>2</SUB>-C<SUB>12</SUB>alkyl, interrupted by O or S and unsubstituted or substituted; and M is hydrogen, Li, Na or K; are valuable intermediates for the preparation of unsymmetrical bisacylphosphine oxides and monoacylphosphine oxides.</p> |