# A Study Guide In Organic Retrosynthesis: Problem Solving Approach

- Institution: IIT Kharagpur
- Department: Chemistry and Biochemistry
- Teacher: Prof. Samik Nanda
- Level: Undergraduate
- Language: English
- Subjects: Chemistry
- Source: [NPTEL](https://nptel.ac.in/courses/104105087)
- Licence: [CC BY-NC-SA](https://nptel.ac.in/faq) (Non-commercial use only.)
- Syllabus: [at the source](https://nptel.ac.in/courses/104105087)
- Who can watch: Tweens profiles and older (sources give no ratings; placed by Invisible Network from the source's own words)

## Lectures

1. [Lecture 1 : Introductory Remarks](https://invisiblenetwork.ai/learn/nptel/104105087/278311e4376d) (Video)
2. [Lecture 2 : Introductory remarks continued](https://invisiblenetwork.ai/learn/nptel/104105087/83b6dbc02860) (Video)
3. [Lecture 3: Introductory remarks and some rapid fire quiz](https://invisiblenetwork.ai/learn/nptel/104105087/4f0bc55aa038) (Video)
4. [Lecture 4 : Retro Quiz based on simple Transformation](https://invisiblenetwork.ai/learn/nptel/104105087/0976bd037f2d) (Video)
5. [Lecture 5 : Transformation based strategy for a given target](https://invisiblenetwork.ai/learn/nptel/104105087/7d668aeec8c9) (Video)
6. [Lecture 6: Tf/Fg/SM based strategy and its exploration](https://invisiblenetwork.ai/learn/nptel/104105087/134d02a051cc) (Video)
7. [Lecture 7 : Tf/SM/Fg based approaches to solve some basic problems](https://invisiblenetwork.ai/learn/nptel/104105087/bd522c20d5a9) (Video)
8. [Lecture 8 : Tf/SM/Fg based strategy and its exploration](https://invisiblenetwork.ai/learn/nptel/104105087/db083b752df6) (Video)
9. [Lecture 9 : Tf/SM/Fg based strategy and its exploration for some simple target molecules](https://invisiblenetwork.ai/learn/nptel/104105087/469fea1aa69a) (Video)
10. [Lecture 10: Tf/SM/Fg based strategy and its exploration](https://invisiblenetwork.ai/learn/nptel/104105087/64d6629e0811) (Video)
11. [Lecture 11: Tf/SM/Fg based strategies and its exploration](https://invisiblenetwork.ai/learn/nptel/104105087/07d8e2f26c08) (Video)
12. [Lecture 12: Tf/Fg/SM based strategies and its exploration](https://invisiblenetwork.ai/learn/nptel/104105087/b699c46cb024) (Video)
13. [Lecture 13: Tf/Fg/SM based approaches and its exploration](https://invisiblenetwork.ai/learn/nptel/104105087/901c323b958b) (Video)
14. [Lecture 14: Tf/Fg/SM based strategies and its exploration](https://invisiblenetwork.ai/learn/nptel/104105087/1306fdb54837) (Video)
15. [Lecture 15: Multiple Tf based strategy for small molecule disconnection](https://invisiblenetwork.ai/learn/nptel/104105087/7105ff4344a1) (Video)
16. [Lecture 16: Multiple Tf based strategies](https://invisiblenetwork.ai/learn/nptel/104105087/1014d1decf28) (Video)
17. [Lecture 17: Specific Tf such as Barton's nitrile ester photolysis](https://invisiblenetwork.ai/learn/nptel/104105087/5e27d8e6c3cb) (Video)
18. [Lecture 18: Specific transformation](https://invisiblenetwork.ai/learn/nptel/104105087/19f8e2903a3e) (Video)
19. [Lecture 19: Selective transformations](https://invisiblenetwork.ai/learn/nptel/104105087/7ad4fc4573b2) (Video)
20. [Lecture 20: Functional Group (Fg) based strategies](https://invisiblenetwork.ai/learn/nptel/104105087/421cccd260d7) (Video)
21. [Lecture 21: Functional group based strategy](https://invisiblenetwork.ai/learn/nptel/104105087/d5d84ba2cde2) (Video)
22. [Lecture 22: Fg based strategy](https://invisiblenetwork.ai/learn/nptel/104105087/435d2c78c268) (Video)
23. [Lecture 23: Fg based strategy](https://invisiblenetwork.ai/learn/nptel/104105087/985afcd556d9) (Video)
24. [Lecture 24: Fg based strategy based on protecting groups](https://invisiblenetwork.ai/learn/nptel/104105087/672f142a96b4) (Video)
25. [Lecture 25: Fg based strategy](https://invisiblenetwork.ai/learn/nptel/104105087/09ceaacb37ff) (Video)
26. [Lecture 26 : Protecting group based strategic disconnection](https://invisiblenetwork.ai/learn/nptel/104105087/85ad5a9f3527) (Video)
27. [Lecture 27 : Fg group based strategy](https://invisiblenetwork.ai/learn/nptel/104105087/bdb212f9d4b4) (Video)
28. [Lecture 28 : Fg based strategy](https://invisiblenetwork.ai/learn/nptel/104105087/67a7a00f5e8d) (Video)
29. [Lecture 29 : Fg based strategies](https://invisiblenetwork.ai/learn/nptel/104105087/17a5a27d6eb5) (Video)
30. [Lecture 30 : Fg based strategy](https://invisiblenetwork.ai/learn/nptel/104105087/c5eeb9b728a5) (Video)
31. [Lecture 31 : Fg based strategy](https://invisiblenetwork.ai/learn/nptel/104105087/b9c2d7478f9e) (Video)
32. [Lecture 32 : Fg based strategy](https://invisiblenetwork.ai/learn/nptel/104105087/bee9edb99ea5) (Video)
33. [Lecture 33 : Starting material (SM) based strategy](https://invisiblenetwork.ai/learn/nptel/104105087/9aaa270ee611) (Video)
34. [Lecture 34 : Fg/Tf/SM based strategies](https://invisiblenetwork.ai/learn/nptel/104105087/51025c9ba939) (Video)
35. [Lecture 35 : Fg/Tf/SM based strategies](https://invisiblenetwork.ai/learn/nptel/104105087/cee1d4500399) (Video)
36. [Lecture 36 : Fg/Tf/SM based strategies](https://invisiblenetwork.ai/learn/nptel/104105087/47000c5da0af) (Video)
37. [Lecture 37 : Fg based strategies](https://invisiblenetwork.ai/learn/nptel/104105087/4530be83a575) (Video)
38. [Lecture 38 : Fg based strategies in combination with SM and Tf](https://invisiblenetwork.ai/learn/nptel/104105087/4abb0b0a67a6) (Video)
39. [Lecture 39 : Fg/SM/Tf based combined strategies](https://invisiblenetwork.ai/learn/nptel/104105087/9d96f4886ec4) (Video)
40. [Lecture 40 : Fg/SM/Tf based combined strategies](https://invisiblenetwork.ai/learn/nptel/104105087/fa1a256b5db3) (Video)
41. [Lecture 41: Fg based strategies](https://invisiblenetwork.ai/learn/nptel/104105087/f25afff8b9af) (Video)
42. [Lecture 42: Fg based strategies](https://invisiblenetwork.ai/learn/nptel/104105087/5f6e2e66607b) (Video)
43. [Lecture 43: Symmetry based strategy](https://invisiblenetwork.ai/learn/nptel/104105087/fbbd52e07be1) (Video)
44. [Lecture 44: Symmetry based strategies](https://invisiblenetwork.ai/learn/nptel/104105087/32a3e9a76441) (Video)
45. [Lecture 45: Symmetry based strategies](https://invisiblenetwork.ai/learn/nptel/104105087/1b30f0371344) (Video)
46. [Lecture 46: Symmetry based strategy](https://invisiblenetwork.ai/learn/nptel/104105087/4036b54f70f5) (Video)
47. [Lecture 47: Symmetry based strategies](https://invisiblenetwork.ai/learn/nptel/104105087/ce4f3c6c229c) (Video)
48. [Lecture 48: Symmetry based strategies](https://invisiblenetwork.ai/learn/nptel/104105087/181e34ece59d) (Video)
49. [Lecture 49: Topological based strategies](https://invisiblenetwork.ai/learn/nptel/104105087/80432b2948d4) (Video)
50. [Lecture 50: Topological strategies](https://invisiblenetwork.ai/learn/nptel/104105087/531b0feb5917) (Video)
51. [Lecture 51 : Topological strategies](https://invisiblenetwork.ai/learn/nptel/104105087/da053991a042) (Video)
52. [Lecture 52 : Stereochemical strategies](https://invisiblenetwork.ai/learn/nptel/104105087/c16f4febb5de) (Video)
53. [Lecture 53 : Stereochemical strategies](https://invisiblenetwork.ai/learn/nptel/104105087/66c4ae7d9a35) (Video)
54. [Lecture 54 : Stereochemical strategies](https://invisiblenetwork.ai/learn/nptel/104105087/4b2e69459d86) (Video)
55. [Lecture 55 : Stereochemical Strategies](https://invisiblenetwork.ai/learn/nptel/104105087/a5ce93140640) (Video)
56. [Lecture 56 : Stereochemical strategies](https://invisiblenetwork.ai/learn/nptel/104105087/1e3a16509115) (Video)
57. [Lecture 57 : Stereochemical strategies (Contd.)](https://invisiblenetwork.ai/learn/nptel/104105087/cb3faedd36ba) (Video)
58. [Lecture 58 : Stereochemical strategies](https://invisiblenetwork.ai/learn/nptel/104105087/53728057b434) (Video)
59. [Lecture 59 : Synthon concept revisited](https://invisiblenetwork.ai/learn/nptel/104105087/dc16b3a898ba) (Video)
60. [Lecture 60 : Concluding remarks](https://invisiblenetwork.ai/learn/nptel/104105087/8b668576143e) (Video)
61. [Live Session 25-02-2022](https://invisiblenetwork.ai/learn/nptel/104105087/278311e4376d-2) (Video)
62. [Live Session 19-03-2022](https://invisiblenetwork.ai/learn/nptel/104105087/83b6dbc02860-2) (Video)
63. [Live Session 19-02-2025](https://invisiblenetwork.ai/learn/nptel/104105087/4f0bc55aa038-2) (Video)
64. [Live Session 17-03-2025](https://invisiblenetwork.ai/learn/nptel/104105087/0976bd037f2d-2) (Video)
65. [Live Session 15-04-2025](https://invisiblenetwork.ai/learn/nptel/104105087/7d668aeec8c9-2) (Video)