methyl 3-methyl-2-[(3S,4R)-4-methylthio-3-{(1R)-1-(p-nitrobenzyloxycarbonyloxy)ethyl}-2-oxoazetidin-1-yl]but-2-enoate

Base Information

Chemical Name:methyl 3-methyl-2-[(3S,4R)-4-methylthio-3-{(1R)-1-(p-nitrobenzyloxycarbonyloxy)ethyl}-2-oxoazetidin-1-yl]but-2-enoate
CAS No.:80559-15-5
Molecular Formula:C₂₀H₂₄N₂O₈S
Molecular Weight:452.485
Hs Code.:

Synonyms:methyl 3-methyl-2-[(3S,4R)-4-methylthio-3-{(1R)-1-(p-nitrobenzyloxycarbonyloxy)ethyl}-2-oxoazetidin-1-yl]but-2-enoate

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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 methyl 3-methyl-2-[(3S,4R)-4-methylthio-3-{(1R)-1-(p-nitrobenzyloxycarbonyloxy)ethyl}-2-oxoazetidin-1-yl]but-2-enoate

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Technology Process of methyl 3-methyl-2-[(3S,4R)-4-methylthio-3-{(1R)-1-(p-nitrobenzyloxycarbonyloxy)ethyl}-2-oxoazetidin-1-yl]but-2-enoate

There total 2 articles about methyl 3-methyl-2-[(3S,4R)-4-methylthio-3-{(1R)-1-(p-nitrobenzyloxycarbonyloxy)ethyl}-2-oxoazetidin-1-yl]but-2-enoate 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:

: 74614-77-0,76899-00-8,76899-01-9
(3S,4R)-3-(1-hidroxyethyl)-1-(1-methoxycarbonyl-2-methyl-1-propenyl)-4-methylthio-2-azetidinone

: 4457-32-3
4-nitrobenzyl chloroformate

: 80559-15-5
methyl 3-methyl-2-[(3S,4R)-4-methylthio-3-{(1R)-1-(p-nitrobenzyloxycarbonyloxy)ethyl}-2-oxoazetidin-1-yl]but-2-enoate

Guidance literature:: With dmap; In dichloromethane; ethyl acetate;

Reference yield:

: 74614-77-0,76899-00-8,76899-01-9
(3S,4R)-3-(1-hidroxyethyl)-1-(1-methoxycarbonyl-2-methyl-1-propenyl)-4-methylthio-2-azetidinone

: 4457-32-3
4-nitrobenzyl chloroformate

: 76855-55-5
methyl 3-methyl-2-[(3S,4R)-4-methylthio-3-{(1S)-1-(p-nitrobenzyloxycarbonyloxy)ethyl}-2-oxoazetidin-1-yl]-but-2-enoate

: 80559-15-5
methyl 3-methyl-2-[(3S,4R)-4-methylthio-3-{(1R)-1-(p-nitrobenzyloxycarbonyloxy)ethyl}-2-oxoazetidin-1-yl]but-2-enoate

Guidance literature:: With dmap; In dichloromethane; at 0 ℃; for 1.5h;
DOI:10.1016/S0040-4039(00)87743-6

Reference yield: 84.0%

: 80559-15-5
methyl 3-methyl-2-[(3S,4R)-4-methylthio-3-{(1R)-1-(p-nitrobenzyloxycarbonyloxy)ethyl}-2-oxoazetidin-1-yl]but-2-enoate

: 80527-82-8,80559-16-6,80559-17-7,80559-18-8,102919-74-4
methyl 2-[(3S)-4-chloro-3-{(1R)-1-(p-nitrobenzyloxycarbonyloxy)ethyl}-2-oxoazetidin-1-yl]-3-methylbut-2-enoate

Guidance literature:: With chlorine; In tetrachloromethane; dichloromethane; at -78 - 0 ℃; cis/trans ratio: 45:55;
DOI:10.1016/S0040-4039(00)87743-6