Octet

Octet · Organic chemistry

Organic chemistry that finally clicks.

Octet is a free organic chemistry reference for students: 83 reactions, 63 reagents and 25 functional groups cross-linked with the pKa, IR and NMR tables, then drilled with quizzes and flashcards. It runs in your browser, offline, with no account. Premium adds every deck, the whole quiz bank and every mechanism.

  • 83 reactions
  • 63 reagents
  • 25 functional groups
  • 109 reference rows
CCCCCC
Benzene · aromatic ringc1ccccc1
83Reactions
63Reagents
25Groups
109Reference rows
0Saved
0%Quiz accuracy

Today

Start your first round

305 source records are ready. Ten questions is about four minutes - nothing is saved anywhere but this browser.

Browse the library

Where to start

Every record below is free to read, search and save - no account needed.

4 records

Reaction pathways

Polar aprotic solvent

SN2 with HydroxideSN2 / DMSO, DMF, or acetone
SN2 with CyanideSN2 / DMSO or DMF
SN1 SolvolysisSN1 / Water or aqueous ethanol
Open reaction pathways

4 records

Reagent functions

Mild reduction of aldehydes and ketones to alcohols

Sodium BorohydrideDoes NOT reduce esters, amides, carboxylic acids, or C=C bonds. Works in protic solvents (MeOH, EtOH).
Lithium Aluminum HydrideVery reactive! Violently reacts with water. Use anhydrous ether or THF. Quench carefully with water.
DIBAL-HTemperature critical! At -78°C stops at aldehyde. Warmer or excess gives alcohol.
Open reagent functions

4 records

Functional groups

Saturated hydrocarbons with only C-C single bonds. Least reactive functional group.

AlkaneHydrocarbons
AlkeneHydrocarbons
AlkyneHydrocarbons
Open functional groups

0 records

Saved review

Nothing saved yet - tap Save on any record to build a review list.

Open saved review