(2S,3R)-3-methyl-2-phenyl-3,4-dihydro-2H-benzo[4,5]thiazolo[3,2-a]pyrimidine

Base Information

Chemical Name:(2S,3R)-3-methyl-2-phenyl-3,4-dihydro-2H-benzo[4,5]thiazolo[3,2-a]pyrimidine
CAS No.:1239194-96-7
Molecular Formula:C₁₇H₁₆N₂S
Molecular Weight:280.393
Hs Code.:

Synonyms:(2S,3R)-3-methyl-2-phenyl-3,4-dihydro-2H-benzo[4,5]thiazolo[3,2-a]pyrimidine

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Chemical Property of (2S,3R)-3-methyl-2-phenyl-3,4-dihydro-2H-benzo[4,5]thiazolo[3,2-a]pyrimidine

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Technology Process of (2S,3R)-3-methyl-2-phenyl-3,4-dihydro-2H-benzo[4,5]thiazolo[3,2-a]pyrimidine

There total 4 articles about (2S,3R)-3-methyl-2-phenyl-3,4-dihydro-2H-benzo[4,5]thiazolo[3,2-a]pyrimidine 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: 81.0%

: 1239195-42-6
(2S,3S)-3-(benzo[d]thiazol-2-ylamino)-2-methyl-3-phenylpropan-1-ol

: 1239194-96-7
(2S,3R)-3-methyl-2-phenyl-3,4-dihydro-2H-benzo[4,5]thiazolo[3,2-a]pyrimidine

Guidance literature:: (2S,3S)-3-(benzo[d]thiazol-2-ylamino)-2-methyl-3-phenylpropan-1-ol; With thionyl chloride; In toluene; for 6h; Reflux;

With potassium hydroxide; In methanol; toluene; for 3h; Reflux;
DOI:10.1002/chem.201102847

Reference yield:

: 926308-17-0
((1S,2S)-2-methyl-3-oxo-1-phenylpropyl)carbamic acid tert-butyl ester

: 1239194-96-7
(2S,3R)-3-methyl-2-phenyl-3,4-dihydro-2H-benzo[4,5]thiazolo[3,2-a]pyrimidine

Guidance literature:: Multi-step reaction with 4 steps

1.1: sodium tetrahydroborate / methanol / 2 h

2.1: hydrogenchloride / 1,4-dioxane / 4 h / 20 - 25 °C

3.1: N-ethyl-N,N-diisopropylamine / 120 h / 135 °C / Inert atmosphere

4.1: thionyl chloride / toluene / 6 h / Reflux

4.2: 3 h / Reflux

With hydrogenchloride; sodium tetrahydroborate; thionyl chloride; N-ethyl-N,N-diisopropylamine; In 1,4-dioxane; methanol; toluene;
DOI:10.1002/chem.201102847

Reference yield:

: (1S,2S)-3-(tert-butoxycarbonylamino)-2-methyl-3-phenylpropanol

: 1239194-96-7
(2S,3R)-3-methyl-2-phenyl-3,4-dihydro-2H-benzo[4,5]thiazolo[3,2-a]pyrimidine

Guidance literature:: Multi-step reaction with 3 steps

1.1: hydrogenchloride / 1,4-dioxane / 4 h / 20 - 25 °C

2.1: N-ethyl-N,N-diisopropylamine / 120 h / 135 °C / Inert atmosphere

3.1: thionyl chloride / toluene / 6 h / Reflux

3.2: 3 h / Reflux

With hydrogenchloride; thionyl chloride; N-ethyl-N,N-diisopropylamine; In 1,4-dioxane; toluene;
DOI:10.1002/chem.201102847