= TMS 2.Pd (PPh ₂)₂ Clz, CuI THF/EtaN •CH 3 TMS CH₂ CH 3 Ho 2 Hb HC HC 3 C=Cs 2-2 Ha Hd 4 ONC Hh 13 ch 玉 C=c-si 14 Hi 1

[answerhappygod]

1 (15.86 KiB) Viewed 12 times

2 (39.02 KiB) Viewed 12 times

•label/assign the hydrogens on the hnmr (which one is Ha, Hb, Hc, Hd, Hh, Hi, Hj, Hk, Hl, and Hm)

3 (29.91 KiB) Viewed 12 times

4 (21.96 KiB) Viewed 12 times

5 (28.08 KiB) Viewed 12 times

= TMS 2.Pd (PPh ₂)₂ Clz, CuI THF/EtaN •CH 3 TMS CH₂ CH 3

Ho 2 Hb HC HC 3 C=Cs 2-2 Ha Hd 4 ONC Hh 13 ch 玉 C=c-si 14 Hi 15 H です。 IS C TMS 1 H 10 -GH3g An 43 CH 3 8c 出 || Aki Hg10 btt HC Heg 19 k CHで 1 m 20 CH 20 m CH 3 3

Full HNMR 7.79 ppm 7.63ppm dablet doublet of doublet Hi or th Ha ΤΗ 7.8 dabet Hi or th ΤΗ 7.8 M 18 Hi or Hh يد 2H 74 2.R 18 72 7-63ppm dablet of doublet Ha TH 7.0 6-93ppm 2H [ppm] Hi or th 24 8 10 6.45ppo... ME ZH [ppm] [ppm] 14 pe H 14 12 10 ||

4-Ethoxy 2H 4Ethoxy 72 2H 72 IH HI 7.1 7.1 7.0 7.0 6-93ppm 112 6.93 ppm 2H 6.8 6.3 6.7 F 6.65ppm dardet (ppm) & 6.65ppm dardet [ppm] ***** bad 10 12 ||

3.55 0.10 ан 3.50 HI ли 24 Hm TMS 0.0878ppm 3.45 quartet 3.46613ppm 3.40 Triplet 1.043ppm 3H 1.04 0.04 -9 HI 0.024ppm bang 3.36 6.00 DAD 10 [wdd] DA ST and st 20 and sz 20 ||