Nature, Published online: 02 July 2025; doi:10.1038/s41586-025-09209-2
A method based on boron-mediated assembly is described for the synthesis of tetrasubstituted alkenes, molecules with four substituents around the central C=C bond, with complete control over the double-bond geometry.
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The practice of separating children from their parents and resulting consequences continue to be current concerns. In spite of the previous court order, families are still being separated at the border.
Separating children from their parents while attempting to cross from Mexico into the United States without authorization often also means separation from the family. Both have adverse affects on the children and parents, the family and future generations.
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