, The reagents needed to convert 2-butyne to frans-2-butene are A) H2 and Pt/C B) H/Lindlar's...
Question8 The reaction of 2-butyne with H2 and Lindlar's catalyst produces: H2 (9) Which one of the following reagents will convert propyne into the sodium acetylide shown? CH3-CEC-CH3- Pd/PbO/CaCO3 CH-C CH +? H CH3 CH, H 0% NaCl NaNH2 O NaOH BI CH3-CH2-CH2-CHs CH3 C-C-CH2 IC] Na CO3 НН CH3
Identify the reagents to be used in the following synthetic schemes: (Specify the reagents you would use to carry out the conversion by using letters from the table. Write the letters in the order that they are used, c.g..abc.) Scheme 1: Scheme 2: a- -0- Reagents Available a. BH, THF then H2O2, OH h. NBS, CCL b. PBr3 HBO c. Mg. ether then H30 1. H2, Lindlar's catalyst d. (CH), Culi k. RCOOOH e. Brz I. O, then Zn, H30*...
Choose the correct set of reagents that will convert 1 into 4: 2 OH H3C OH Нас Сс он — H3C H3C Br Br OH Br Н3СН Br 2 moles of Bra H2/Lindlar's Catalyst - Li/NH 1 mole CI Choose the correct set of reagents that will convert 1 into 3: ---OH НАС OH HC H3C Br. Br —он Br HC Br 2 moles of Br H./Lindlar's Catalyst Li/NH 1 mole CL
References] tyle (Specify the reagents you would use to carry out the conversion by using letters from the table. Write the letters in the order that they are used, e.g., abe.) Scheme 1: OIDIOK- CH CH CH3 CHs Br ОН Scheme 2: сн, сн, сн Br ot Reagents Available a. BH3. THF then H2O2, OH . b. PBr h. NBS, CC i HBr H2, Lindlar's catalyst pr c. Mg, ether then H3O d. (CHshCuLi k. RCOOOH I. Os then Zn,...
он Choose from the following list of reagents: H2, Lindlar's catalyst PCC, CH2Cl2 1) Br2 2) xs NaNH2 3) H20 1) NaNH2 2) H20 1) BH3 THF 2) H202, NaOH 9 H2CrO4 1) Hg(OAc)2, H20 dilute H2S04 H202, NaOH MCPBA 2) NaBH4 Enter the correct letter for each step of the reaction in the boxes below. (Reagents cannot be used more than once.) Step A: Step B:
show work pls! H2 Lindlar's Catalyst 2. H,02 NaOH 1. BH CH-CHE нс 3. Draw the complete arrow-pushing mechanism for the following reaction. (1.5 pts total) product after step 1 product after step 2 CICI Br- Br 1. Br2 1. C12 show mechanism below show mechanism below
How would you synthesize the following compound from acetylene and reagents in the table? Choose the most efficient route. Specify reagents using letters from the table, first reagent on the left. Example: ab H H CH3CH2CH2 CH2CH3 a. Br2 b. CH3CH I Reagents available d. CH3 CH2CH2CH2Br g. KOH/ ethanol e. Hy / Lindlar's catalyst | h. NaNH / NH3 f. 1. BHz in THF 2. H2O2 in NaOH c. CH3 CH, CH,Br Reagents (in order of use) are Submit...
Lindlar's catalyst H- HC H-C-cEc-CHs h) HgSo, HC-HC-c c-H it + Н,о H,SO amu O HyCHC-cc-CH +H.O Н С k) 1. КОН HyC HC-CC CH hot KMnO 2. HC H,C HC CEC CHy cold KMnO Lindlar's catalyst H- HC H-C-cEc-CHs h) HgSo, HC-HC-c c-H it + Н,о H,SO amu O HyCHC-cc-CH +H.O Н С k) 1. КОН HyC HC-CC CH hot KMnO 2. HC H,C HC CEC CHy cold KMnO
Check work HBe (2 eq) 1-CH,CH Br H-Cac- Na 2.NaNH, 3 (CH,), CBr Lindlar's catalyst Lindlar catalyst CH H20 H2, Pd C KMnO4 CH CH a
NaNH2 -CH₃ 2) OH CH3CH2Br H3C-EC-H * * CH3CH2CH2Br NaOH, H2O BH/THE H2, Pt CH3Br LI, NH3 (1) NaBH4 OsO4, NaHSO3, H20 Hz, Lindlar's Catalyst In each reaction box, place the best reagent and conditions from the list below. NaNH2 CH3 CH3CH2Br OH H3C-CC-H - - ker CH₂ + HCl CH3CH2CH2Br HO NaOH, H2O BH/THF CH3BT H2, Pt LI, NH3 (1) NaBH4 OsO4, NaHSO3, H20 Hz, Lindlar's Catalyst