1. 3-cyclopentyltriazene Yield: 86%. Yellow solid, Mp = 68-70�C. C11H14ClN3.MW 223;TLC: Rf = 0,2 (AcOEt/Hex, 1:9). 1H NMR
2. The 1H NMR spectrum (400 MHz, CDCl3) shows signals at 7.12 ppm for two doublets with coupling constants J = 8.7 and 2.2 Hz, 6.61 ppm for two doublets;TLC analysis gave an Rf value of 0.2 in a mixture of AcOEt/Hex (1:9)