Indole, and structures derived from it, are a component of many natural substances, such as the amino acid tryptophan. A new catalytic reaction produces cyclopenta[b]indoles -- frameworks made of ...
The Nature Index 2025 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...
More than 50 years after its discovery, the heterodimeric indole alkaloid haplophytine has yielded to total synthesis. Originally isolated from the dried leaves of a Mexican shrub, haplophytine is an ...
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