Chemical Structure, Reactions and Synthesis

• Chemical Synthesis Database
• Common Reactive Intermediates in Organic Synthesis
• How to Get Good Marks in Organic Chemistry
• Learning Organic Chemistry
• Master Organic Chemistry (Free problem sets )
• Named Reaction List by Marcus Brackeen
• Named Reactions
• NIST Chemistry WebBook
• Organic Chemistry Practice Problems
• Organic Synthesis
• Periodic Table of Elements

Analytical NMR

• Problems in NMR and IR spectroscopy
• Common Solvent Shifts from Cambridge Isotope.
• IUPAC_NMR
• NMR Chemical Shifts of Trace Impurities
• NMR_frequency tables_Bruker2012
• NMR periodic table (1) & (2)
• NMR spectroscopy (very complete database) … from UW-Madison, Hans Reichs.
• Vincinal Proton-Proton Coupling …. U of Wisconsin,Hans Reichs.
• WEB COCON ……… structure eluciation prediction software using 2D spectra.
  • Jochen Junker, Matthias Köck, Thomas Lindel — Germany