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Reagents

QuestionAnswer
Acid-catalyzed dehydration (removing OH to make double bond) is with H2SO4 (cat.) & Heat (Delta, little triangle thingy) Acid-Catalyzed Dehydration
To substitute OH (using Sn2 Rxn) on a carbon chain with Br is with PBr3
To substitute OH (using Sn2 Rxn) on a carbon chain with Cl is with SOCl2
To substitute OH on a carbon chain with OT is with TsCl & pyridine (holds retention of stereochemistry)
To turn OH (using oxidation) on a carbon chain into a ketone (secondary carbon) or aldhyde (primary carbon) is with PCC & CH2Cl2
When you have a diol (two OH's) on a carbon chain, to create a ketone (secondary) or aldehyde (primary) is with H+, or H2SO4 (cat.) & Heat Pinacol Rearrangement
To eliminate (E2) a haloid substitute on a tertiary carbon is with NaOH & H2O
To add a diol (two OH's) onto a double bond is with OsO4 & H2O2
To turn an alcohol on a carbon chain into a Br substitute (Sn2) is with HBr
To oxidize with chromium metal is with H2CrO4
To add a Br substitute (radical reaction) to the most substituted carbon in a chain is with Br2 and Heat (Delta, little triangle thingy)
To add a Cl substitute (radical reaction) to any carbon in a chain is with Cl2 and Heat (Delta, little triangle thingy)
To make a ketone with a haloid substitute (Williamson Ether Synthesis) is with NaOEt (oxygen base with a ethyl tail)
To split a double bond and create two ketones (Ozonation) is with HIO3
To add a bromine substitute from a double bond on the lesser substituted carbon (anti-markovnikov) is with HBr & ROOR
To add a bromine substitute to a carbon chain and keep a double bond (allylic bromination) is with NBS and Heat (Delta, little triangle thingy)
To perform an E2 reaction without a bulky base, a recommended strong base but weak nucleophile would be NaH & THF
Created by: Wissionary
 

 



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