
DIRECTIONS: The following questions are based on topics covered in class. Read the problems carefully and...
In each reaction box, place the best reagent and conditions from the list below 1) 2) 3) 4) HBr PВrg Вн/THF excess NaNH2 H20, H2SO4, HgSO4 NaBH4 CH3Br H2, Lindlar catalyst H2O2, NAOH, H20 СH-CH2Br Br2 Na, NH3 () 2 equiv. NaNH2
In each reaction box, place the best reagent and Conditions from the list below. H C C H Br Br H2, Lindlar catalyst H20, H2SO4, Hgso4 CH3CH2Br HBr 1-equiv BH3/THF HBr 2-equiv CH3CH2CH2Br CH3Br H202/NaOH Br2 1-equiv NaOH NaNH2 Br2 2-equiv
In each reaction box, place the best reagent and conditions from
the list below.
In each reaction box, place the best reagent and conditions from the list below. 2 equiv. NaNHz excess NaNH2 CH3Br H20, H2SO4, HgSO4 Na, NH3 (1) H2O2, NaOH, H2O NaBH4 HBr Br2 CH3CH2Br H2. Lindlar catalyst BH3/THF PBr3
In each reaction box, place the best reagent and conditions from the list below. BH3/THF PBr3 excess NaNH2 HBr H20, H2SO4, HgSO4 NaBH4 CH3BT H2O2, NaOH, H20 Hz, Lindlar catalyst CH3CH2Br Br2 Na, NH3 (1) 2 equiv. NaNH2
In each reaction box, place the best reagent and conditions from the list below. You have the wrong reagent for the final step. An oxidizing agent is necessary to convert the boron functional group into an enol, which will tautomerize to the aldehyde. 1) Br2 DEDY 2) excess NaNH2, then H20 3) BH3/THF 2 equiv. NaNH2 H2, Lindlar catalyst bromocyclohexane HBr H20, H2SO4, HgSO4 NaBH4 CH3Br CH3CH2Br H2O2, NaOH, H20 SOCI2
write a major product for each of the following reaction,
indicate appropriate stereochemistry
1.(CH3)3COK, (CH3)2COH 2. Brz, cena 2 3. x's NaNH2 ; H20 W 14. HgSO4, H2SO4, H2O ÇI 1. x's NaNH2; H20 * 2. k, NH3, CH3CH2OK 3. KMnO4 , H2SO4, 4 1. B2H, THF; NaOH(aq), H202 2. SOBrą, o 1. H2SO4, A OH 318 , NaNH2 4. H2, Lindlar catalyst 2. HBr, H202 3.(CH3)3COK, (CH3)3COH 4. R-COOH; H30°
Question 9.27, 9.30 Choose one reagent from the Table to carry out the following conversions. Use letters from the table to specify reagents. Reagents КMnO,/ Н,о* O3 d 1. Br2 g a 2. KOH in ethanol H2/ Lindlar catalyst hr H20/ H2SO4/ HgSO4 е 1. NaNH2 in NH3 2. CH3Br Li in NH3 1 equiv Br2 f 1. BH3 in THF C 2. H202 in NaOH a) CHACH,сH,сH,CECH CHн-CH-CH-CH2CH-CH CHз b) сHa-CHa-CEс-сн, CH3CH2 The following synthesis requires more than one...
Choose the sequence of reagents which would best accomplish the following transformation: 2-bromopropane ----------> 1,2-dibromopropane [(R) + (S)] 01. (i) KMnO4, NaOH in water at 0 °C 2. (i) Br2 in CCl4 (ii) excess NaNH2 (iii) CH31 (iv) H20, H2SO4, HgSO4 Choose the sequence of reagents which would best accomplish the following transformation: 2-bromopropane ---------> 1,2-dibromopropane [(R) + (S)] 01. (i) KMnO4, NaOH in water at 0 °C 2. (i) Br2 in CC14 (ii) excess NaNH2 (iii) CH3 (iv) H20,...
please help me with Organic Chemistry/Alkynes. Thank you!
Directions: Place your answers to the following questions in the provided spaces. (12 PTS) 1. What is the hybridization of the carbon atoms numbered 1 and 2 respectively in the following structure? -CI CECH A. B sp,sp? sp?sp? sp, sp sp, sp sp, sp E. Ans. - 2. What is the IUPAC name for the molecule shown below? 6b А. B. (E)-5-methyl-5-hepten-1-yne (2)-5-methyl-5-hepten-1-yne (E)-3-methyl-2-hepten-6-yne (2)-3-methyl-2-hepten-6-yne (E)-2-butynyl-2-butene E. Ans. Select the best explanation...
please help me with questions from 3-10! and the bonus.
thank you so much
Directions: Place your answers to the following questions in the provided spaces. (12 PTS) 1. What is the hybridization of the carbon atoms numbered 1 and 2 respectively in the following structure? -CU CECH A. B sp,sp? sp, sp sp, sp sp', sp sp, sp Ans. 2. What is the IUPAC name for the molecule shown below? os B. C. D. E. (E)-5-methyl-5-hepten-1-yne (2)-5-methyl-5-hepten-1-yne (E)-3-methyl-2-hepten-6-yne (2)-3-methyl-2-hepten-6-yne...