n-butyllithium; tris(2,6-dimethyoxyphenyl)phosphine oxide; chiral tris(binaphthoxide)-based yttrium in tetrahydrofuran; hexane; water T=-78°C; 2 h; Title compound not separated from byproducts;
3 A molecular sieve; Burkholderia cepacia lipase PS-C II; N-benzyl-trimethylammonium hydroxide in methanol; di-isopropyl ether T=20°C; 24 h; Title compound not separated from byproducts.;
