how do I determine where the double bond will go and if this is sn1 or...
Predict the major organic products of the following reactions.
Include stereochemistry where appropriate. Also give mechanisms for
the marked reactions.
UV o che si Heat PAS), HO a. Hg(OAC)2, H2O b. NaBHA
Predict the products of the following reactions. 1. BH3 2. H2O2, OH CHCl3, KOH I-C1 (show the dipole in 1-C1, which is more electronegative?) 1. Hg(OAC)2, H2O 2. NaBHA 1. Hg(OAC)2, EtOH (not water) 2. NaBH4 m-CPBA H30+ 1. Os04 2. NaHSO3, H20
1. Predict the major organic products of the following reactions. Draw all stereoisomers that are formed. НО, OH 1 eq ,H2SO4 (assume H2O workup of reaction to neutralize product) 1. LDA 2. (assume H,O workup of reaction to neutralize product) 3. Hg(OAC)2 4. NaBH, EtOH 1eq HBr EtOH ambiente 1. Brz. CCL 2. NaOET, ETOH OH
1. PREDICT THE PRODUCT: Provide the structure of the major product expected from the following reactions or reaction sequences. Make sure you account for any regio- and/or stereochemistry! (24 pts.) H2O 1. Hg(OAC), CH, OH 2. NaBH H2SO4 H20 1) BH-THF 2) H202, KOH HBr Bry, H2O HBr ROOR 1. BH3-THF 2. H2O2, NaOH H20, H2SO4 1. NaNH2 H2 H-CEC-CH2 CH2 CH3 2. CH CH Br Lindlar cat 1. Sia BH-THF 2. H2O2, H2O
1. Determine whether the following reactions will go through SN1, SN2, E1, or E2 mechanism a. 1-bromobutane + sodium hydroxide b. 2-chloro-2-methylpentane + sodium hydroxide + heat C. 2,3-dimethyl-3-bromopentane + water d. 2-bromobutane + methanol 2. Draw the major product for the following reactions (draw both products if racemic): NaSH DMSO TsO CHA Nal CH, acetone CH,CH,ONa+ ethanol CH,OH/H-0 Solite Nal (1 equiv.) acetone F CH2CH OH 25°C
1. For each of the following reactions, write S if it is a substitution and E if it is an elimination. Also write R for all of those that are also rearrangements. CH-Oн heat NaOCHs + HBr HG OH Nal Hо acetone NaBr +HBr 2. Predict which reactions proceeded by an SN1, SN2, El or E2 mechanism: NaOCH CH +NaBr оснCH Носн,сн, 50° +NaCl Nal DMSO, 45 Br NaOCHa +NaBr +HOCH Носн, 100° но +HI acetone, 50 HSO +HO HO,...
2. Predict which reactions proceeded by an SN1, SN2, El or E2 mechanism: NaOCH-CHa Br оСнCH +NaBr носH-Cнь 50° b. +NaCi Nal DMSO, 45° NaOCHa NaBr +HOCH носн, 100° но +HI acetone, 50 HSO +H2O H2O, 120 кос(CHa +KBr +HOC(CHals НоС(CHа, 100°С но DMSO, 40° +HI HCIZNCI2 +H2O h. H,O, 45° CH OH +HCI H2O, 100
Predict the major organic product
or products of each of the following reactions:
Identify the mechanism
taking place in each of the reactions and please provide
explanation.
H2SO4 a) (CHỊ) CH CH=CH, HO Hg(OAc)2 NaBH4 b) (CH3)2CH CH=CH2 H2O BH3: THE H2O2, NaOH c) (CH3),CH CH=CH2 H2SO4, H2O d) CHCECH HgSO4 HZ/Ni f) + Cl2 + H2O g) Cold KMnO4 dilute h) 1. CH CO-OH 2. Hz0 Br2 i) CC14
Draw the structure of the major organic product of these
reactions. Do not write mechanisms.
Но. (h) OH NADH two organic products; write both NHANH2 KOH (i) H H2O heat (1) H H+ CH3 () H.C C12H160 (2) PhCH,CH,Br (3) H307
II. Reactions: Predict the major organic product(s) or write the appropriate reagents/starting materials for the following reactions. Indicate stereochemistry and regiochemistry when appropriate. Indicate reactions that are expected to result in a racemic mixture of products DBr 1. Н.О, CHCI он HSO, heat кон 1) вн, THF 3. 2) H202. HO 1) Hg(OAc)2, CH,OH 2) NaBH, OH 5. Br2 SH 6. HIO4 OH THF, H2O "он III. Synthesis: Starting from the alkenyl bromide below, devise a synthesis that produces the...