(2S,2aS,2bR,4R,5aR,6S)-2-[(R)-1-(tert-Butyl-dimethyl-silanyloxy)-ethyl]-2b-methyl-1-oxo-5a-phenylsulfanyl-4-(pyridin-2-ylsulfanylcarbonyloxy)-octahydro-3-oxa-6a-aza-cyclobuta[a]pentalene-6-carboxylic acid benzyl ester

Base Information

Chemical Name:(2S,2aS,2bR,4R,5aR,6S)-2-[(R)-1-(tert-Butyl-dimethyl-silanyloxy)-ethyl]-2b-methyl-1-oxo-5a-phenylsulfanyl-4-(pyridin-2-ylsulfanylcarbonyloxy)-octahydro-3-oxa-6a-aza-cyclobuta[a]pentalene-6-carboxylic acid benzyl ester
CAS No.:225220-01-9
Molecular Formula:C₃₇H₄₄N₂O₇S₂Si
Molecular Weight:720.983
Hs Code.:

(2S,2aS,2bR,4R,5aR,6S)-2-[(R)-1-(tert-Butyl-dimethyl-silanyloxy)-ethyl]-2b-methyl-1-oxo-5a-phenylsulfanyl-4-(pyridin-2-ylsulfanylcarbonyloxy)-octahydro-3-oxa-6a-aza-cyclobuta[a]pentalene-6-carboxylic acid benzyl ester

Synonyms:(2S,2aS,2bR,4R,5aR,6S)-2-[(R)-1-(tert-Butyl-dimethyl-silanyloxy)-ethyl]-2b-methyl-1-oxo-5a-phenylsulfanyl-4-(pyridin-2-ylsulfanylcarbonyloxy)-octahydro-3-oxa-6a-aza-cyclobuta[a]pentalene-6-carboxylic acid benzyl ester

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Chemical Property of (2S,2aS,2bR,4R,5aR,6S)-2-[(R)-1-(tert-Butyl-dimethyl-silanyloxy)-ethyl]-2b-methyl-1-oxo-5a-phenylsulfanyl-4-(pyridin-2-ylsulfanylcarbonyloxy)-octahydro-3-oxa-6a-aza-cyclobuta[a]pentalene-6-carboxylic acid benzyl ester

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Technology Process of (2S,2aS,2bR,4R,5aR,6S)-2-[(R)-1-(tert-Butyl-dimethyl-silanyloxy)-ethyl]-2b-methyl-1-oxo-5a-phenylsulfanyl-4-(pyridin-2-ylsulfanylcarbonyloxy)-octahydro-3-oxa-6a-aza-cyclobuta[a]pentalene-6-carboxylic acid benzyl ester

There total 12 articles about (2S,2aS,2bR,4R,5aR,6S)-2-[(R)-1-(tert-Butyl-dimethyl-silanyloxy)-ethyl]-2b-methyl-1-oxo-5a-phenylsulfanyl-4-(pyridin-2-ylsulfanylcarbonyloxy)-octahydro-3-oxa-6a-aza-cyclobuta[a]pentalene-6-carboxylic acid benzyl ester 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: 50.0%

: 55277-90-2
Di-S-(2-pyridyl) dithiocarbonate

: 225219-97-6
(2S,2aS,2bR,5aR,6S)-2-[(R)-1-(tert-Butyl-dimethyl-silanyloxy)-ethyl]-4-hydroxy-2b-methyl-1-oxo-5a-phenylsulfanyl-octahydro-3-oxa-6a-aza-cyclobuta[a]pentalene-6-carboxylic acid benzyl ester

: 225220-01-9
(2S,2aS,2bR,4R,5aR,6S)-2-[(R)-1-(tert-Butyl-dimethyl-silanyloxy)-ethyl]-2b-methyl-1-oxo-5a-phenylsulfanyl-4-(pyridin-2-ylsulfanylcarbonyloxy)-octahydro-3-oxa-6a-aza-cyclobuta[a]pentalene-6-carboxylic acid benzyl ester

: (2S,2aS,2bR,4S,5aR,6S)-2-[(R)-1-(tert-Butyl-dimethyl-silanyloxy)-ethyl]-2b-methyl-1-oxo-5a-phenylsulfanyl-4-(pyridin-2-ylsulfanylcarbonyloxy)-octahydro-3-oxa-6a-aza-cyclobuta[a]pentalene-6-carboxylic acid benzyl ester

Guidance literature:: With dmap; triethylamine; In dichloromethane; for 22h; Ambient temperature;
DOI:10.1016/S0040-4020(98)01152-1

Reference yield:

: 61550-05-8
trimethyl-(5-methyl-furan-2-yloxy)-silane

: 225220-01-9
(2S,2aS,2bR,4R,5aR,6S)-2-[(R)-1-(tert-Butyl-dimethyl-silanyloxy)-ethyl]-2b-methyl-1-oxo-5a-phenylsulfanyl-4-(pyridin-2-ylsulfanylcarbonyloxy)-octahydro-3-oxa-6a-aza-cyclobuta[a]pentalene-6-carboxylic acid benzyl ester

Guidance literature:: Multi-step reaction with 8 steps

1: 92 percent / ZnCl₂ / CH₂Cl₂; diethyl ether / 28 h / Ambient temperature

2: 1) NaHMDS / 1) THF, -78 deg C, 10 min, 2) THF, 6 h

3: 94 percent / LiHMDS / tetrahydrofuran / 12 h / Ambient temperature

4: 1) NaHMDS / 1) THF, -78 deg C, 30 min, 2) THF, -78 deg C, 30 min

5: 61 percent / m-CPBA / CH₂Cl₂ / 1 h / Ambient temperature

6: 83 percent / diisopropyl ethyl amine / benzene / 1 h / 0 °C

7: 66 percent / DIBAL-H / tetrahydrofuran / 0.5 h / Ambient temperature

8: 50 percent / DMAP, Et₃N / CH₂Cl₂ / 22 h / Ambient temperature

With dmap; sodium hexamethyldisilazane; diisobutylaluminium hydride; triethylamine; N-ethyl-N,N-diisopropylamine; 3-chloro-benzenecarboperoxoic acid; zinc(II) chloride; lithium hexamethyldisilazane; In tetrahydrofuran; diethyl ether; dichloromethane; benzene;
DOI:10.1016/S0040-4020(98)01152-1

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

: 225220-01-9
(2S,2aS,2bR,4R,5aR,6S)-2-[(R)-1-(tert-Butyl-dimethyl-silanyloxy)-ethyl]-2b-methyl-1-oxo-5a-phenylsulfanyl-4-(pyridin-2-ylsulfanylcarbonyloxy)-octahydro-3-oxa-6a-aza-cyclobuta[a]pentalene-6-carboxylic acid benzyl ester

Guidance literature:: Multi-step reaction with 8 steps

1: 92 percent / ZnCl₂ / CH₂Cl₂; diethyl ether / 28 h / Ambient temperature

2: 1) NaHMDS / 1) THF, -78 deg C, 10 min, 2) THF, 6 h

3: 94 percent / LiHMDS / tetrahydrofuran / 12 h / Ambient temperature

4: 1) NaHMDS / 1) THF, -78 deg C, 30 min, 2) THF, -78 deg C, 30 min

5: 61 percent / m-CPBA / CH₂Cl₂ / 1 h / Ambient temperature

6: 83 percent / diisopropyl ethyl amine / benzene / 1 h / 0 °C

7: 66 percent / DIBAL-H / tetrahydrofuran / 0.5 h / Ambient temperature

8: 50 percent / DMAP, Et₃N / CH₂Cl₂ / 22 h / Ambient temperature

With dmap; sodium hexamethyldisilazane; diisobutylaluminium hydride; triethylamine; N-ethyl-N,N-diisopropylamine; 3-chloro-benzenecarboperoxoic acid; zinc(II) chloride; lithium hexamethyldisilazane; In tetrahydrofuran; diethyl ether; dichloromethane; benzene;
DOI:10.1016/S0040-4020(98)01152-1