Enantioselective allylation is one of the most commonly used methods for constructing secondary alcohols with high enantiocontrol. Hisashi Yamamoto of the University of Chicago has introduced (J. Am. Chem. Soc.…
Alkene metathesis has become part of the toolkit of organic synthesis. PMID:24182988 Nevertheless, there is room for improvement in catalyst efficiency. 3-Isopropylpyridin-2(1H)-one web Robert H. Grubbs of the California Institute…
Gentle tapping of a terminal alkene specifically to the corresponding methyl-substituted internal alkene is a potentially value-adding transformation, as illustrated by the conversion of the inexpensive allylated ketone 1 to…
With the development of more advanced applications fororganocatalysts, several new approaches have been developed for the enantioselective construction of cyclopentanes. Karl A. Scheidt of Northwestern University has found (Angew. 2908-71-6…
Kou Hiroya of Tohoku University has described (Org. Lett. 2006,8, 5349. PMID:31085260 DOI: 10.1021/ol062249c)a versatile new route to pyrroles 2, based on the Pt-catalyzed rearrangement of azido alkynes such as…
Sugars are still useful chiral pool starting materials for the preparation of cyclic ethers. Jacquelyn Gervay-Hague of the University of California, Davis, has extended (Org Lett. 1047991-79-6 web 2006, 8,…
There are many ways Pd can be used to catalyze the substitution of an aryl halide. Jin-Heng Li of Hunan Normal University, Changsha, has found (J. Org. Chem. 2007, 72,…
Enantioselective addition to a prochiral ring is a powerful approach for the preparation of C-N rings in high ee. 458532-84-8 uses This is elegantly illustrated by the report (J. Org.…
Tohru Fukuyama of the University of Tokyo has recently reported (Org. Formula of Fmoc-α-Me-Gly(Pentynyl)-OH Lett. PMID:25429455 2006, 8, 5311. Price of 279236-77-0 DOI: 10.1021/ol062112m)an elegantly conceived total synthesis of (±)-morphine…
Retrosynthetic analysis of the heptacyclic ring structure of nominine (3), a representative member of the hetisine family of alkaloids, is not for the faint of heart. David Y. 334905-81-6 manufacturer…
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