TCI Chemistry News
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August 2023
TCI offers an extensive catalog of over 30,000 high quality organic reagents suitable for benchtop-to-bulk chemistry. This issue covers our chemistry topics as follows:
- HPMC Capsule Reagents
- Chiral Phosphine Ligands Skewphos Derivatives
- Construction of the Terminal Alkyne Using Ohira-Bestmann Reagent
- Bromination Reaction Using N-Bromosuccinimide
HPMC Capsule Reagents
TCI offers hydroxypropyl methylcellulose (HPMC) encapsulated reagents; reagent for amide formation reactions (condensation reactions) [R0274], reagent for Suzuki coupling reactions [R0275], and reagent for metallophotoredox cross-coupling reactions [R0273]. Using these encapsulated reagents, you can conduct reactions immediately by adding the capsules to the solution of the starting material without weighing the reaction reagents. Additionally, a reaction-accelerating effect is expected due to the construction of a reaction field in water by HPMC.
Chiral Phosphine Ligands Skewphos Derivatives
(2S,4S)-2,4-Bis[bis(4-dimethylaminophenyl)phosphino]pentane [P2852], (2R,4R)-2,4-bis[bis(4-dimethylaminophenyl)phosphino]pentane [P2853] and (2S,4S)-2,4-bis[bis(3,5-dimethylphenyl)phosphino]pentane [P2854] are asymmetric phosphine ligands bearing flexible skeletons. Each ligand possesses different reactivity and selectivity depending on the electron density and steric hindrance of the aryl groups.
TCI Practical Example: Construction of the Terminal Alkyne Using Ohira-Bestmann Reagent
We are proud to present the synthesis of 1-dodecyne utilizing Ohira-Bestmann reagent [D3546] and undecanal.
TCI Practical Example: Bromination Reaction Using N-Bromosuccinimide
TCI introduces the regioselective bromination reaction of 2-methylbenzo[b]thiophene by using N-bromosuccinimide (= NBS) [B0656].Upcoming Events
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