
Brown Hydroboration - Organic Chemistry Portal
Sterically demanding boranes offer enhanced selectivity. One example of a sterically demanding borane (9-BBN) is generated by the double addition of borane to 1,5-cyclooctadiene: 9 …
9-Borabicyclo[3.3.1]nonane | C8H14B | CID 6327450 - PubChem
9-Borabicyclo[3.3.1]nonane | C8H14B | CID 6327450 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, …
9-Borabicyclo[3.3.1]nonane, 9-BBN - Organic Chemistry Portal
9-Borabicyclo[3.3.1]nonane is a mild reagent for the reduction of carbonyl compounds, acid chlorides and alkenes. As 9-BBN does not form complexes with tertiary amines, a …
9-Borabicyclo 3.3.1 nonane 0.5M tetrahydrofuran 280-64-8
Bulk and Prepack available | Aldrich-151076; 9-Borabicyclo[3.3.1]nonane solution 0.5 M in THF; 9-BBN; CAS No. 280-64-8 (principal component); Explore related products, MSDS, application …
9-Borabicyclo[3.3.1]nonane [9-BBN] - Common Organic Chemistry
9-BBN is typically used in organic chemistry for hydroboration-oxidation reactions. 9-BBN is a very useful reagent due to its ability to achieve high regioselectivity in reactions based on steric and …
9-硼双环[3.3.1]壬烷 | 280-64-8 - ChemicalBook
2025年2月8日 · 9-硼双环[3.3.1]壬烷(9-bbn)能与烯烃和炔烃进行加成反应,并且有区域选择性和立体选择性的特点,生成的烷基硼和乙烯基硼又能进行许多种类的反应,成为有机合成的重要的 …
常用还原剂——9-BBN - 知乎 - 知乎专栏
使用硼氢化试剂 9-bbn 对一取代末端烯烃的反应是如此温和、成熟和高度区域选择性,以至于可以用于多烯烃的硼氢化-氧化反应。 如下图所示: Lindhorst 将糖转化成为八烯丙基醚衍生物后 …
9-BBN - Orgoly
2021年5月13日 · 9-BBN adds to alkenes and alkynes in an anti-Markovnikov fashion. It is a syn addition with the hydrogen and the borane adding to the same side of the alkene or alkyne. 9 …
Hydroboration with 9-borabicyclo nonane - Big Chemical …
The size of the silyl groups in alkynylsilanes 48 effects their regio- and chemose-lectivity in hydroboration with 9-borabicyclo[3.3.1]nonane (9-BBN). Alkynylsilanes... Borabicyclo [3.3.1] …
Reduction of Tertiary Amides by 9-BBN and Sia2BH - Chemistry …
Tertiary amides can be reduced to amines and aldehydes using alkyboranes 9-BBN and Sia2BH respectively.
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