(3S,4R)-3-<(1R)-1-(tert-butyldimethylsilyloxy)ethyl>-1-(p-methoxybenzyloxycarbonyl)hydroxymethyl-4-<(1R)-1-methyl-2,3-epoxypropyl>-2-azetidinone

Base Information

Chemical Name:(3S,4R)-3-<(1R)-1-(tert-butyldimethylsilyloxy)ethyl>-1-(p-methoxybenzyloxycarbonyl)hydroxymethyl-4-<(1R)-1-methyl-2,3-epoxypropyl>-2-azetidinone
CAS No.:123107-99-3
Molecular Formula:C₂₅H₃₉NO₇Si
Molecular Weight:493.673
Hs Code.:

(3S,4R)-3-<(1R)-1-(tert-butyldimethylsilyloxy)ethyl>-1-(p-methoxybenzyloxycarbonyl)hydroxymethyl-4-<(1R)-1-methyl-2,3-epoxypropyl>-2-azetidinone

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Chemical Property of (3S,4R)-3-<(1R)-1-(tert-butyldimethylsilyloxy)ethyl>-1-(p-methoxybenzyloxycarbonyl)hydroxymethyl-4-<(1R)-1-methyl-2,3-epoxypropyl>-2-azetidinone

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Technology Process of (3S,4R)-3-<(1R)-1-(tert-butyldimethylsilyloxy)ethyl>-1-(p-methoxybenzyloxycarbonyl)hydroxymethyl-4-<(1R)-1-methyl-2,3-epoxypropyl>-2-azetidinone

There total 9 articles about (3S,4R)-3-<(1R)-1-(tert-butyldimethylsilyloxy)ethyl>-1-(p-methoxybenzyloxycarbonyl)hydroxymethyl-4-<(1R)-1-methyl-2,3-epoxypropyl>-2-azetidinone 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:

: 615252-63-6
(3S,4R)-3-<(1R)-1-(tert-butyldimethylsilyloxy)ethyl>-4-(1-methyl-2-propynyl)-2-azetidinone

: 123107-99-3,126788-00-9,126788-01-0,126788-02-1,126788-10-1
(3S,4R)-3-<(1R)-1-(tert-butyldimethylsilyloxy)ethyl>-1-(p-methoxybenzyloxycarbonyl)hydroxymethyl-4-<(1R)-1-methyl-2,3-epoxypropyl>-2-azetidinone

Guidance literature:: Multi-step reaction with 5 steps

1: 1) LDA / 1) THF, hexane, -78 to -40 deg C, 1 h, 2) THF, hexane, -78 deg C to RT then RT, overnight

2: 97 percent / K₂CO₃ / methanol / 5.5 h / Ambient temperature

3: 99 percent / hydrogen, quinoline / 5percent Pd-BaSO₄ / methanol / 0.17 h / Ambient temperature

4: Et₃N / benzene / 10 h / Heating; Dean-Stark trap with mol. sieves 4A

5: m-CPBA, NaHCO₃ / CH₂Cl₂ / 16 h / Ambient temperature

With quinoline; hydrogen; sodium hydrogencarbonate; potassium carbonate; triethylamine; 3-chloro-benzenecarboperoxoic acid; lithium diisopropyl amide; palladium on barium sulfate; In methanol; dichloromethane; benzene;
DOI:10.1248/cpb.37.2338

Reference yield:

: 76899-07-5,78963-47-0,78963-48-1,78963-60-7,80951-41-3,81275-02-7,85647-75-2,85954-95-6,92217-74-8,104527-11-9,76855-69-1
(3R,4R)-3-[(R)-1-(tert-butyldimethylsilyloxy)ethyl]-4-acetoxyazetidin-2-one

: 123107-99-3,126788-00-9,126788-01-0,126788-02-1,126788-10-1
(3S,4R)-3-<(1R)-1-(tert-butyldimethylsilyloxy)ethyl>-1-(p-methoxybenzyloxycarbonyl)hydroxymethyl-4-<(1R)-1-methyl-2,3-epoxypropyl>-2-azetidinone

Guidance literature:: Multi-step reaction with 4 steps

1: 1) TMSOTf, 2) KF / 1) CH₂Cl₂, 0 deg C, 15 min then 14 h, RT, 2) ether, H₂O, 1 h; var. reag.: BF₃*Et₂O

2: 99 percent / hydrogen, quinoline / 5percent Pd-BaSO₄ / methanol / 0.17 h / Ambient temperature

3: Et₃N / benzene / 10 h / Heating; Dean-Stark trap with mol. sieves 4A

4: m-CPBA, NaHCO₃ / CH₂Cl₂ / 16 h / Ambient temperature

With quinoline; potassium fluoride; trimethylsilyl trifluoromethanesulfonate; hydrogen; sodium hydrogencarbonate; triethylamine; 3-chloro-benzenecarboperoxoic acid; palladium on barium sulfate; In methanol; dichloromethane; benzene;
DOI:10.1248/cpb.37.2338

Reference yield:

: 113396-81-9
(3R,4R)-3-<(1R)-1-(tert-butyldimethylsilyloxy)ethyl>-4-<(1S)-1-methyl-2-propynyl>-2-azetidinone

: 123107-99-3,126788-00-9,126788-01-0,126788-02-1,126788-10-1
(3S,4R)-3-<(1R)-1-(tert-butyldimethylsilyloxy)ethyl>-1-(p-methoxybenzyloxycarbonyl)hydroxymethyl-4-<(1R)-1-methyl-2,3-epoxypropyl>-2-azetidinone

Guidance literature:: Multi-step reaction with 3 steps

1: 99 percent / hydrogen, quinoline / 5percent Pd-BaSO₄ / methanol / 0.17 h / Ambient temperature

2: Et₃N / benzene / 10 h / Heating; Dean-Stark trap with mol. sieves 4A

3: m-CPBA, NaHCO₃ / CH₂Cl₂ / 16 h / Ambient temperature

With quinoline; hydrogen; sodium hydrogencarbonate; triethylamine; 3-chloro-benzenecarboperoxoic acid; palladium on barium sulfate; In methanol; dichloromethane; benzene;
DOI:10.1248/cpb.37.2338