Why do BH3 and NaBH4 have different selectivities?
Jul 22, 2015 · I've always known borane ($\\ce{BH3}$), as a reagent for alkene hydroboration. Recently in class we talked about its use in the reduction of carboxylic acids to alcohols as …
Order of lewis acidity for BBr3, BCl3, BMe3, BH3, BPh3?
Aug 1, 2018 · BBr3 is more acidic than BCl3 due to weaker pi back bonding in BBr3 as compared to BCl3.BCl3 is stronger acid than BH3 due to electron withdrawing effect of Cl make B …
organic chemistry - Why does BH3/THF reduce the carbonyl group …
Jan 30, 2022 · Why does BH3/THF reduce the carbonyl group to a methylene rather than an alcohol? Ask Question Asked 3 years, 10 months ago Modified 3 years, 10 months ago
organic chemistry - What is the balanced equation of BH3/THF …
Feb 14, 2019 · The reduction of secondary amides with BH3 requires 3 equivalents, mechanism shown below image sourced from here. The borane becomes HB=O which may transform …
How does a hydroboration mechanism actually work?
Mar 19, 2017 · In BH3, Boron is less electronegative than H (i.e. hydrogen) , hence in the syn addition I have shown, hydrogen ends up being attached to a more substituted carbon atom.
Reduction of acids with borane - Chemistry Stack Exchange
Mar 28, 2015 · What is the mechanism of the reduction of organic acids with borane? Borane reductions don't work well with electron deficient carbonyl groups. Why is that so, and how …
hybridization - What makes banana bonds possible in diborane ...
May 4, 2012 · Diborane has the interesting property of having two 3-centered bonds that are each held together by only 2 electrons (see the diagram below, from Wikipedia). These are known …
Why are there no dihedral mirror planes in the D3h point group?
Feb 11, 2018 · Consider the molecule BHX3 B H X 3, which belongs to the D3h D 3 h point group. Why are the three mirror planes in this point group labelled as σv σ v instead of σd σ d? Don't …
Would an (NH3)2+ molecule be trigonal planar like BH3 rather …
Aug 2, 2018 · Would an (NH3)2+ molecule be trigonal planar like BH3 rather than trigonal pyramidal? Ask Question Asked 7 years, 5 months ago Modified 7 years, 5 months ago
Why does Boron only need 6 valence electrons unlike the standard …
The principle of full octet is that most reactivity patterns are described well if there is a driving force / energetic gain for full octets in main-group atoms. However, the only facet of an atom …