2-tert-butyl-(4R)-[2-(dicyclohexyl-phosphinothioyl)-phenyl]-4,5-dihydro-oxazole

Base Information

Chemical Name:2-tert-butyl-(4R)-[2-(dicyclohexyl-phosphinothioyl)-phenyl]-4,5-dihydro-oxazole
CAS No.:672343-27-0
Molecular Formula:C₂₅H₃₈NOPS
Molecular Weight:431.623
Hs Code.:

Synonyms:2-tert-butyl-(4R)-[2-(dicyclohexyl-phosphinothioyl)-phenyl]-4,5-dihydro-oxazole

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Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

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Chemical Property of 2-tert-butyl-(4R)-[2-(dicyclohexyl-phosphinothioyl)-phenyl]-4,5-dihydro-oxazole

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Technology Process of 2-tert-butyl-(4R)-[2-(dicyclohexyl-phosphinothioyl)-phenyl]-4,5-dihydro-oxazole

There total 6 articles about 2-tert-butyl-(4R)-[2-(dicyclohexyl-phosphinothioyl)-phenyl]-4,5-dihydro-oxazole which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 52.0%

: 75-98-9
Trimethylacetic acid

: 672343-22-5
2-(tert-butyl-dimethyl-silanyloxy)-(1R)-[2-(dicyclohexyl-phosphinothioyl)-phenyl]-ethylamine

: 672343-27-0
2-tert-butyl-(4R)-[2-(dicyclohexyl-phosphinothioyl)-phenyl]-4,5-dihydro-oxazole

Guidance literature:: Trimethylacetic acid; 2-(tert-butyl-dimethyl-silanyloxy)-(1R)-[2-(dicyclohexyl-phosphinothioyl)-phenyl]-ethylamine; With 1-hydroxybenzotriazol-hydrate; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine; In N,N-dimethyl-formamide; at 70 ℃;

With methanesulfonyl chloride; triethylamine; N-ethyl-N,N-diisopropylamine; In dichloromethane; at 0 - 20 ℃;
DOI:10.1016/j.tet.2005.03.111

Reference yield: 52.0%

: 672343-27-0
2-tert-butyl-(4R)-[2-(dicyclohexyl-phosphinothioyl)-phenyl]-4,5-dihydro-oxazole

Guidance literature:

Reference yield:

: 854691-01-3
(tert-butyl-dimethyl-silanyl)-[2-(tert-butyl-dimethyl-silanyloxy)-1-phenyl-ethyl]-amine

: 672343-27-0
2-tert-butyl-(4R)-[2-(dicyclohexyl-phosphinothioyl)-phenyl]-4,5-dihydro-oxazole

Guidance literature:: Multi-step reaction with 2 steps

1.1: n-BuLi / diethyl ether; hexane / -78 - 20 °C

1.2: diethyl ether; hexane / -78 - 20 °C

1.3: 55 percent / sulfur / diethyl ether; hexane / 1 h / 20 °C

2.1: 1-[3-(dimethylamino)propyl]-3-ethylcarbodiimide*HCl; 1-hydroxy-benzotriazole hydrate; triethylamine / dimethylformamide / 70 °C

2.2: 52 percent / N,N-diisopropylethylamine; triethylamine; methanesulfonyl chloride / CH₂Cl₂ / 0 - 20 °C

With n-butyllithium; 1-hydroxybenzotriazol-hydrate; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine; In diethyl ether; hexane; N,N-dimethyl-formamide;
DOI:10.1016/j.tet.2005.03.111