(3aR,8bS)-3-((2S,3S)-3-Hydroxy-2-methyl-3-phenyl-propionyl)-4,4-dimethyl-3,3a,4,8b-tetrahydro-indeno[2,1-d]oxazol-2-one

Base Information

Chemical Name:(3aR,8bS)-3-((2S,3S)-3-Hydroxy-2-methyl-3-phenyl-propionyl)-4,4-dimethyl-3,3a,4,8b-tetrahydro-indeno[2,1-d]oxazol-2-one
CAS No.:184583-20-8
Molecular Formula:C₂₂H₂₃NO₄
Molecular Weight:365.429
Hs Code.:

Synonyms:(3aR,8bS)-3-((2S,3S)-3-Hydroxy-2-methyl-3-phenyl-propionyl)-4,4-dimethyl-3,3a,4,8b-tetrahydro-indeno[2,1-d]oxazol-2-one

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Chemical Property of (3aR,8bS)-3-((2S,3S)-3-Hydroxy-2-methyl-3-phenyl-propionyl)-4,4-dimethyl-3,3a,4,8b-tetrahydro-indeno[2,1-d]oxazol-2-one

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Technology Process of (3aR,8bS)-3-((2S,3S)-3-Hydroxy-2-methyl-3-phenyl-propionyl)-4,4-dimethyl-3,3a,4,8b-tetrahydro-indeno[2,1-d]oxazol-2-one

There total 9 articles about (3aR,8bS)-3-((2S,3S)-3-Hydroxy-2-methyl-3-phenyl-propionyl)-4,4-dimethyl-3,3a,4,8b-tetrahydro-indeno[2,1-d]oxazol-2-one 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: 3.5%

: 184583-24-2
(S)-1-((3aR,8bS)-4,4-Dimethyl-2-oxo-4,8b-dihydro-3aH-indeno[2,1-d]oxazol-3-yl)-2-methyl-3-phenyl-propane-1,3-dione

: 184583-20-8
(3aR,8bS)-3-((2S,3S)-3-Hydroxy-2-methyl-3-phenyl-propionyl)-4,4-dimethyl-3,3a,4,8b-tetrahydro-indeno[2,1-d]oxazol-2-one

: (3aR,8bS)-3-((2S,3R)-3-Hydroxy-2-methyl-3-phenyl-propionyl)-4,4-dimethyl-3,3a,4,8b-tetrahydro-indeno[2,1-d]oxazol-2-one

Guidance literature:: With zinc(II) tetrahydroborate; In diethyl ether; dichloromethane; at 0 ℃; for 1h;
DOI:10.1016/0957-4166(96)00385-0

Reference yield:

: 24273-36-7
(Z)-2-(hydroxyimino)-3,3-dimethyl-2,3-dihydro-1H-inden-1-one

: 184583-20-8
(3aR,8bS)-3-((2S,3S)-3-Hydroxy-2-methyl-3-phenyl-propionyl)-4,4-dimethyl-3,3a,4,8b-tetrahydro-indeno[2,1-d]oxazol-2-one

Guidance literature:: Multi-step reaction with 7 steps

1: 1.) NaBH₄, 2.) pyridine / 1.) MeOH, 0 deg C, 3 h, 2.) 12 h

2: 100 percent / BH₃ / tetrahydrofuran / 3 h / Heating

4: 98 percent / K₂CO₃ / 7 h / Heating

5: 1.) n-BuLi / 1.) THF, hexane, -78 deg C, 10 min, 2.) THF, hexane, a) -78 deg C, 30 min, b) 0 deg C, 30 min

6: 1.) LDA / 1.) THF, hexane, -78 deg C, 30 min, 2.) THF, hexane, -78 deg C, 3 min

7: 95 percent / Zn(BH₄)2 / CH₂Cl₂; diethyl ether / 1 h / 0 °C

With pyridine; sodium tetrahydroborate; n-butyllithium; zinc(II) tetrahydroborate; borane; potassium carbonate; lithium diisopropyl amide; In tetrahydrofuran; diethyl ether; dichloromethane;
DOI:10.1016/0957-4166(96)00385-0

Reference yield:

: 98-88-4
benzoyl chloride

: 184583-20-8
(3aR,8bS)-3-((2S,3S)-3-Hydroxy-2-methyl-3-phenyl-propionyl)-4,4-dimethyl-3,3a,4,8b-tetrahydro-indeno[2,1-d]oxazol-2-one

Guidance literature:: Multi-step reaction with 2 steps

1: 1.) LDA / 1.) THF, hexane, -78 deg C, 30 min, 2.) THF, hexane, -78 deg C, 3 min

2: 95 percent / Zn(BH₄)2 / CH₂Cl₂; diethyl ether / 1 h / 0 °C

With zinc(II) tetrahydroborate; lithium diisopropyl amide; In diethyl ether; dichloromethane;
DOI:10.1016/0957-4166(96)00385-0