boric acid; toluene dann mit Bromwasserstoff und wenig Di-tert-butylperoxid und mit Wasser;

Multistep reaction;

1: pyridine; diethyl ether; phosphorus (III)-bromide 2: water; ethanol / und anschliessend mit Kaliumhydroxid View Scheme

1: pyridine; diethyl ether; phosphorus (III)-bromide 2: water; ethanol / und anschliessend mit Kaliumhydroxid 3: bromine; carbon disulfide / Erwaermen des Reaktionsprodukts mit aethanol.Kalilauge View Scheme

View Scheme

1: TPAP, NMO 2: NaClO2 View Scheme

tetrapropylammonium perruthennate; 4-methylmorpholine N-oxide in dichloromethane T=20°C; 1 h; Molecular sieveInert atmosphere;

2: (i) HBr, PhCO3H, (ii) /BRN= 1098229/, HCl View Scheme

<b>Multi-step reaction with 2 steps<br /> </b>1: hexane / -20 - 0 &deg;C<br />2: diethylzinc; (1S)-(+)-3-exo-(dimethylamino)isoborneol / hexane / 0 &deg;C<br /> <br /> &nbsp;

Stage #1: <a href="#" onclick="return RXDsubstances(event, this, '1753231', constants.ctx, '0')">11-bromo-undec-1-ene</a> <b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '4948473', constants.ctx, '0')">magnesium</a>&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '102391', constants.ctx, '0')">tetrahydrofuran</a> <br /> <br />Stage #2: <a href="#" onclick="return RXDsubstances(event, this, '102378', constants.ctx, '0')">oxirane</a> <b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '11405916', constants.ctx, '0')">copper(l) iodide</a>&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '102391', constants.ctx, '0')">tetrahydrofuran</a> <br />T=-5&deg;C;&nbsp;1.58333&nbsp;h;&nbsp;<br /> &nbsp;