Fluck, Ekkehard published the artcile[1,3,4]Thiazaphospholidines. IV. [1,3,4]Thiazaphospholidine sulfide and oxide, ethynylaminophosphine, Recommanded Product: 1,1-Dimethylthiourea, the publication is Phosphorus, Sulfur and Silicon and the Related Elements (1994), 90(1-4), 59-78, database is CAplus.
The synthesis of the ethynylaminophosphines, PhCCP(R)(NEt2) (1, R = NEt2; 2, R = Ph; 3, R = cyclohexyl), RCCP(Ph)(NEt2) (4, R = Bu; 5, R = SiMe3) from substituted alkynylmagnesium bromides and haloaminophosphantes is described. Reaction of 1 with urea derivatives yields the [1,3,4]thiazaphospholidines. 2 Reacts with thiouracil to give thiazaphospholidine I, with 2-mercaptobenzimidazole to give compound II and 3 reacts with 2-mercaptobenzimidazole to give similar benzoimidazothiazaphosphole. The new [1,3,4]thiazaphospholidines can be transferred into the corresponding sulfides by heating with elemental sulfur or into their oxides by treatment with tert-Bu hydroperoxide. The spirocyclic compound III is the product from the reaction with o-chloranil. All new ethynylaminophosphines, [1,3,4]thiazaphospholidines and their sulfides and oxides are characterized by NMR, mass and IR spectra. X-ray structure analyses of I and related compounds were performed.
Phosphorus, Sulfur and Silicon and the Related Elements published new progress about 6972-05-0. 6972-05-0 belongs to catalysis-chemistry, auxiliary class Thiourea,Amine,Aliphatic hydrocarbon chain,Amide, name is 1,1-Dimethylthiourea, and the molecular formula is C3H8N2S, Recommanded Product: 1,1-Dimethylthiourea.
Referemce:
https://courses.lumenlearning.com/boundless-chemistry/chapter/catalysis/,
Catalysis – Wikipedia