Improve your concepts in Organic Chemistry...

1. Interactive 3D Chemistry Animations- Chem Tube 3D [Interactive 3D Chemistry Animations — ChemTube3D]

2. To draw and view 3D image of new molecules please click this link [MolView]

3. Lecture Notes of "Advanced Organic Chemistry" course by Harvard University Professor David Evans [CHEM 206 LECTURE FILES.PDF - Dropbox]

4. Lecture Notes of "Advanced Organic Chemistry" offered at Harvard University "Chem 206" by Prof. Eugen E. Kwan & Prof. Evans [Eugene E. Kwan (ekwan.github.io)]

5. Lectures Notes of "Chem 605 NMR Spectroscopy" course offered by Prof. Hans Reich at the University of Wisconsin [NMR Spectroscopy :: Hans Reich NMR Collection - Content (organicchemistrydata.org)]

6. For many other useful organic chemistry "Lecture Notes" click this link [Organic Chemistry Data - Links]

7. Evans Pka Table [evans_pka_table.pdf - Google Drive]

   Find your solution here...

8. Demystifying Synthetic Organic Chemistry since 2004.  Magic Formulas: About (rochester.edu) 

9. NMR Spectra of common organic molecules/chemicals.  AIST:Spectral Database for Organic Compounds,SDBS 

10. Drawing a catalytic cycle using chemDraw.  ChemDraw Magic Tricks: Quick Catalytic Cycles - Elliptic is the New Round - YouTube