Question

Please provide a mechanism

4 of 7 ganic product obtained from the following reaction? H-CEC-CH, " 6.3 d.4 ANSWER: C 41. What is the major organic product obtained from the following reaction? 2 Na H. CC=CCH- NH, VÀ a butane b. 1-butene C. cis-2-butene d. trans-2-butene ANSWER: 0 42. What is the major organic product obtained from the following reaction? CH-CC-CH, 3 NH a. 1 b. 2 ANSWER: b 43. What is the major organic product obtained from the following reaction? 1. BH H.C-CECCH2CH.COH a. butane b. 1-butene C. Cis-2-butene

Answer 1

Isolated (bon-cahe double bonds are not heduing agents roimally heduted by melal -amma nia and borha heduution of alkynes is there fue Thu nedudion iA Aighly Adeutive. oEalkena) ofte eduhion by mdal- ammania HЕ ЭНCHa CH3 CHH3 Naf Na L. NANH2 CH3 -Nat C C CH 3 -CH3 Na NaN2 fl3 C н CH3 traN- 2-butene E-alkne Corectton obtiom :

Similon medhanism 2 Hcсн), CH-CC-CH3 2Na CH3 NИз) SH (ornestion hion: 43) Fnst BH3 undegoesdukophilit addi tion to profonates e aftor that Cond and 9tutn gives alkene ВНz H C CC 3 -CH3 нf - BH2 CH3 CH3 HS CI-3- butene Cornestion obtion O

In he pescnce of H2 and Pd , alkyn gu neduced compleely alkane CH3 CH CEC-CH3 Cotore anstuer
I am editing because by mistake I clicked on submit button without uploading all pages. I am really sorry for that.