



1. Draw the product(s) of the following reactions. Include stereochemistry when relevant. If stereoisomers are formed...
Draw the product(s) of the following reactions. Include
stereochemistry
Draw the mechanism for the following transformation
OBn 85 °C OBn 1 equiv. Me K2CO3 Ph heat H 1. LDA (1 equiv.) PhCHN= P 2. Ph Ph. 3. aqueous work-up b. Ph HPh н Ан Ph KIT Ph heat
3. (3x10-30 points) Reactions. Give the product structure of following reactions, indicate stereochemistry where appropriate. A) + Ph2pt-CHCH3 i. EtMgBr (excess) B) . H3o i. NaOEt Eto C) ii. H,O i. LDA D) i. C2Hs C12, hv E) Me AlC F) NaOEt OEt Ni, H2 H) heat OEt NaOEt EtO OEt Br
Draw the structures of the product(s) of the six reactions below. Clearly indicate stereochemistry where needed. If a pair of enantiomers results, clearly depict both enantiomers. If you think that there will be no reaction then write: "No Reaction." Racemic Mixture Br2in CCI H2 and Pt H\OTs H3C (C) KCN in DMSO (s,2 Product) KOtBu and Heat in tBuOH CH3 OTs H,C OH 1Tsa in Pyridine 2) KOtBu and Heat in tBuOH CH3 CH CH 0% 2) Excess (CHJ2S
Draw...
Draw the predominant product(s) of the following reactions including stereochemistry when it is appropriate. CH3-CEC-CH3 + 2 HBr • Consider E/Z stereochemistry of alkenes. • Do not show stereochemistry in other cases. • If no reaction occurs, draw the organic starting material. • Draw one structure per sketcher. Add additional sketchers using the drop-down menu in the bottom right corner. • Separate multiple products using the + sign from the drop-down menu. ChemDoodle Submit Answer Retry Entire Group 7 more...
Provide the major product(s) for the following Provide the major product(s) for the following reactions. Be sure to note stereochemistry and racemic mixtures. NaOH, H29 2 100 °Ç ? NaOH, H2O H 0°C H W H CCl3 OC (provide product of both steps) H a. Hn b. CHEM 370 W13 Homework Page 1 of 2 giorel Noot Hoi solu NOEL IN DER NaOH, H2O 100 °C Hv NaOET, H OEt EtOH 8. Eto- i. LDA, -78°C NaO Me MeOH Оме...
4. Draw the products of the following sequences of reactions. 1) NaOET, HOE 1) NaOEt Eto OEt 2) H3O+ 2) Br | 1) LDA, -78°C 2) 0 H30+ heat H 3) NaOH, heat 1) LDA (1.1 equiv), -78°C, THE 2) CH3Br 1) CH3CH2MgBr 2) H30* H2, Pd-C LU H2SO4 NaOH, H2O 1) LDA, -78°C 2) HOE 3) H30+ 1) O3 2) CH2SCH3
1. Give the major product of the following reactions, write N.R.
if no reaction happens. Indicate the stereochemistry if
necessary:
h. 1. Cl2, H2O 2. KOtBu 1. NaOH, H20 2. PCC НО i. 1. ICH2Znl, Et2O 2. MSCI, pyr 3. LDA ОН j. 1. HВг, "BuOOH, hv 2. NaCN, DMF
help please!
1) Reactions. Provide the major product for each reaction sequence, account for stereochemistry. 1) PCC, CH2Cl2 2) Brz, acetic acid OH 3) KotBu, A 4) NaOEt, EtOH P CO 8 5) H2O+ workup 6) THF, H.CaPPha HCB , cat. PdOAC) cat. PPh3, DMF, EN | CHA 0 нс. CH32) LDA, THF, -78 °C CHICH,then H3O+ workup 4) NaBH4, EtOH, then H3O+ workup 5) cat. TSOH, benzaldehyde 1) cat. H2SO4, A 2) O3. CH2Cl2, then (CH3)2S CH; 3) NaOE,...
Draw the major organic product(s) for the following reactions;
(*) must include correct stereochemistry; double-dagger (‡) must
show
two products.
HBr (a)* HBr (b)+ (1.00 equiv.) HBr (c)* HCI (d) 48% wt. HBr A (e) 37% wt . HCl НЕАT (n* [H2SO]/H,O (g) [H2SOal/A CH,он (ехсess) (h) [H,SOl/H2O (1)* [H2SO/H2O Or
" LU PUMPS 1. Draw the major product formed from the following elimination reactions. (4 pts) NaOEt EtOH, heat 85% H3PO4 80° C heat Y + t-BuOKA-BOH EtOH + NaOEt 55°C - Complete the following reactions with correct stereochemistry (4 points) 1. Sia BH 1. =co Na 2 H₂Oh 2. H2O2, NaOH Na NH3 mCPBA Line- correct stereochemistry correct stereochemistry