... Tetrahedron Letters. Volume 53, Issue 28, 11 July 2012, Pages 3607–3611. ... Reagents and conditions: (i) H 2 NR 1 , Et 3 N, MeCN, MW, 90-100%; (ii) 10% Pd/C, H 2 (1 atm), EtOH, rt, quant.; (iii) Br-CH 2 COR 2 , K 2 CO 3 , DMF, rt or 65 o C, 53-66%; (iv) DMA, MW; (v) NaH or PS ...