silver trifluoroacetate; triethylamine in tetrahydrofuran; water T=-25 - 20°C;

<b>Multi-step reaction with 5 steps<br /> </b>1: diethyl ether; tetrahydrofuran / 18 h / 20 &deg;C<br />2: 93 percent / silver benzoate; Et₃N / 18 h / 20 &deg;C<br />3: 100 percent / 10 percent aq. NaOH / methanol / 18 h / 20 &deg;C<br />4: Et₃N / tetrahydrofuran / 0.33 h / -10 &deg;C<br />5: tetrahydrofuran / 18 h / 20 &deg;C<br /> <br /> &nbsp;

<b>Multi-step reaction with 3 steps<br /> </b>1: 100 percent / 10 percent aq. NaOH / methanol / 18 h / 20 &deg;C<br />2: Et₃N / tetrahydrofuran / 0.33 h / -10 &deg;C<br />3: tetrahydrofuran / 18 h / 20 &deg;C<br /> <br /> &nbsp;