Toyota, Masahiro published the artcileSynthetic approach to stemodin (I) – a novel stereocontrolled construction of the stemodane system by the successive intramolecular Diels-Alder reactions, Application In Synthesis of 4141-48-4, the publication is Tetrahedron (1994), 50(4), 1093-104, database is CAplus.
The synthesis of the A, B, C and D ring part I of the diterpene stemodin (II) from 1,4-cyclohexanedione monoethylene ketal III by use of successive intramol. Diels-Alder reactions is described.
Tetrahedron published new progress about 4141-48-4. 4141-48-4 belongs to catalysis-chemistry, auxiliary class Aryl phosphine ligand,Mono-phosphine Ligands, name is Allyldiphenylphosphine oxide, and the molecular formula is C6H12F3NO5S, Application In Synthesis of 4141-48-4.
Referemce:
https://courses.lumenlearning.com/boundless-chemistry/chapter/catalysis/,
Catalysis – Wikipedia