Cyclopentanol reacts with dess martin periodinane to yield cyclopentanone . This is an oxidising agent. The mechanistic path is shown in the image.
Draw the major organic product of the reaction shown below. OH Dess-Martin periodinane CH2Cl2 • You do not have to consider stereochemistry. • You do not have to explicitly draw H atoms. • Do not include lone pairs in your answer. They will not be considered in the grading. con
Alcohols undergo an oxidation when treated with Dess-Martin periodinane in dichloromethane. The product of the above reaction has the following spectroscopic properties; propose a structure. MS: M^+ = 86 IR: 1715 cm^-1^1 H NMR: 0.90 delta (3H, triplet); 1.68 6 (2H, multiplet): 2.13 delta (3H, singlet); 2.40 delta (2H, triplet)^13 C NMR: 13.6, 16.6, 29.8, 47.0, 207.7 delta
Chapter 19: More Reactions Name: 1. Complete the following reaction scheme. 1.2 eq. MeMgBr Dess-Martin Periodinane TMSCI Pyridine 2. H₂O* n-BuNF POCIE pyridine H2C-PPh3 2. Synthesize the following compound starting from cyclohexene.
What is/are the missing reagent(s)in the following reaction? 1)03 2)Zn/H307 CrOz/H Dess-Martin periodinane 1)NaBH4 2)H307 1)LIAIH4 2)H30+
Question 4 2 pts Which of the following could be used to transform a primary alcohol into an aldehyde chromic acid pyridinium chlorochromate Dess-Martin Periodinane Sodium borohydride Swern Oxidation
Question) -Gatterman-Koch -Heck -Gilman -Dess-Martin -none of the above Question) What is the major product for Freidel-Crafts alkylation? *2-methoxyphenol + CO + HCl + AlCl3/ CUCI --->? AIC1z/ + CO + HCI Cuci ? Correct Named Organic Reaction and correct product OCH3 OH A. € ? HF (a) B. C. E. both C&D D.
Major Products for all of these 1. a. AICl3 CH3 b. then H30+/H2O 2. Zn(Hg), HCI (Clemmensen) 3. a. LiAlH4. THF b. then H3O+/H2O 4. Dess-Martin periodinane, CH2Cl2 HCN NADH Нас "н fermentation -со, NADH H3C fermentation
Specify the reagent you would use in each step of the following synthesis: a. LiAIH_4 b. H_2SO_4 c. HCl d. HBr e.SOCl_2 f. PBr_3 g. Dess-Martin periodinane (DMP) h. NaH i. NaOH j. CH_3MgBr k. CH_3CH_2MgBr l. C_6H_5MgBr (phenylmagnesium bromide) m. (CH_3)_2CHMgBr n. CrO_3 Write the letters of the reagents in the boxes below. Reagent for step 1 Reagent for step 2
Specify the reagent you would use in each step of the following synthesis: step 1 step 2 Cl Reagents Available f. PBr3 g. Dess-Martin periodinane (DMP) . C6H5MgBr h. NaH i. NaOH j. CH3MgBr k. CH3CH2MgBr a. LiAIH4 b. H2SO4 c. HCI d. HBr e. Soci2 (phenylmagnesium bromide) m. (CH3)2CHMgBr n. CrO3 Write the letters of the reagents in the boxes below. Reagent for step 1 Reagent for step 2
Choose the best reagent(s) for carrying out the following conversion from the list provided below. a. 1. e. f. g. CH3MgBr, ether H307 PBr3 NaOH (CH3)3SiC1, (CH3CH2)3N CH3MgBr, ether H30+ LiAlH4, ether 1. p-TosC1, pyridine 2. NaOH CrO3, H2SO4, H2O 1. NaBH4, ethanol 2. H30 Dess-Martin periodinane , CH2Cl2 1. h. 3. d. 1. H30+ HO CH: OH