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- TESO nBuli, THF, -78 °C then TBAF 84% Me Me (nBu)3Sn Ō... OTES HO Me HII Me H Me- OH cyclocitrinol 1.0% over 18 linear steps Me OHFrom : cis (1s, 4s) -1-bromo- (tert-butyl) cyclohexane trans (1r, 4r)- 1- iodo- 4- isoproppylcyclohexane 1,5 - dimethylcyclohex -1 -ene trans (1r, 4r)- (tert - butyl) - 4- fluorocyclohexane trans (1r, 4r) - 1- bromo - 4- (tert - butyl) cyclohexane 1,3,5 - trimethylcyclohex - 1- ene . 5- Choose the substrate from the ones that drawn and illustrate an example complete Markovnikov addition mechanism using the reagents of your choice showing all stereochemical consequences. Identify if your addition mechanism is syn addition or anti addiction (Use curved arrows to show the electron movement in everyday steps). use ChemDraw if possible..Please predict the outcome of the addition of HBr to (a) trans-2-pentene, (b) 2-methyl-2-butene, and (c) 4-methylcyclohexene. Also please list how many isomers can be formed in each case? Thank you
- Dehydrohalogenation of vinyl halides is essentially an E2 process. A stercochemical study tevealed that (Z)-2-chloro-2-butendioic acid reacted 50 times faster than its E stereoisomer. 1. Na+ NH2 HO,C-C=c-co;H 2. H,0 COH For the reaction below CH,CH, 1. Na NH2 2. H,0 Draw the structure of the major organic product.Please help with part A, B, C, D:best condition for the reaction (1r,2s)-1 bromo-2methylcyclohexane->(s)3-methylcyclohex-1ene
- Determine structure from the following name: (3R,5S)-3,5-dibromocyclohex-1-ene4.- Predict the product for each Diels-Alder reaction. Indicate stereochemistry where appropriate. स a) b) H3C, H3C + H3C CHO A ent 10 150 COOH + ·E· <- c) COOH BAS 5.- Retro Diels-Alder: show a combination of diene and dienophile that would result in each Diels-Alder adduct.KINDLY PLEASE LOOK AT THE REACTION AND MECHANISM PROVIDED. PLEASE TALK ABOUT ANY STEREOSELECTIVE ISSUES LIKE WHY DOES IT FORM A TRANS ALKENE??? THE REACTION IS HORNER WADSWORTH EMMOND REACTION.what other information is needed to answer my question?
- Draw the structure of (Z)-1-bromo-1-chloro-1-butene. • Consider E/Z stereochemistry of alkenes. • You do not have to explicitly draw H atoms. AAVII ? ChemDoodle [F ⓇDraw the structure of (Z)-4-methyl-2-pentene. • Consider E/Z stereochemistry of alkenes. You do not have to explicitly draw H atoms. opy aste ChemDoodleCan you assit with confirming product(s), define major/minor, show stereochemistry, if appropriate, and/or if no reaction occurs