[(S)-2-Cyclohexyl-1-((S)-4-isopropylidene-5-oxo-tetrahydro-furan-2-yl)-ethyl]-carbamic acid tert-butyl ester

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Chemical Name:[(S)-2-Cyclohexyl-1-((S)-4-isopropylidene-5-oxo-tetrahydro-furan-2-yl)-ethyl]-carbamic acid tert-butyl ester
CAS No.:127772-92-3
Molecular Formula:C₂₀H₃₃NO₄
Molecular Weight:351.486
Hs Code.:

Synonyms:[(S)-2-Cyclohexyl-1-((S)-4-isopropylidene-5-oxo-tetrahydro-furan-2-yl)-ethyl]-carbamic acid tert-butyl ester

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Chemical Property of [(S)-2-Cyclohexyl-1-((S)-4-isopropylidene-5-oxo-tetrahydro-furan-2-yl)-ethyl]-carbamic acid tert-butyl ester

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Technology Process of [(S)-2-Cyclohexyl-1-((S)-4-isopropylidene-5-oxo-tetrahydro-furan-2-yl)-ethyl]-carbamic acid tert-butyl ester

There total 6 articles about [(S)-2-Cyclohexyl-1-((S)-4-isopropylidene-5-oxo-tetrahydro-furan-2-yl)-ethyl]-carbamic acid tert-butyl 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: 89.0%

: 125015-95-4
(3S,5S)-5-[(1S)-1-(N-t-butoxycarbonylamino)-2-cyclohexylethyl]-3-(1-hydroxy-1-methylethyl)dihydrofuran-2(3H)-one

: 127772-92-3
[(S)-2-Cyclohexyl-1-((S)-4-isopropylidene-5-oxo-tetrahydro-furan-2-yl)-ethyl]-carbamic acid tert-butyl ester

Guidance literature:: With pyridine; trichlorophosphate; at 0 ℃;

Reference yield:

: 98105-42-1
(S)-2-(t-butoxycarbonylamino)-3-cyclohexyl-1-propanal

: 127772-92-3
[(S)-2-Cyclohexyl-1-((S)-4-isopropylidene-5-oxo-tetrahydro-furan-2-yl)-ethyl]-carbamic acid tert-butyl ester

Guidance literature:: Multi-step reaction with 6 steps

1: tetrahydrofuran / -78 °C

2: H₂ / Pd/BaSO₄ / ethyl acetate / 3040 Torr

3: PCC, molecular sieves (3 Angstroem) / CH₂Cl₂

4: 1.) KBH₄, 2.) HOAc / 1.) ethanol, 0 deg C, 6 h, 2.) toluene, reflux

5: 1) LDA / 2) THF, -78 deg C

6: 89 percent / POCl₃, pyridine / 0 °C

With pyridine; potassium borohydride; 3 A molecular sieve; hydrogen; acetic acid; pyridinium chlorochromate; lithium diisopropyl amide; trichlorophosphate; Pd-BaSO₄; In tetrahydrofuran; dichloromethane; ethyl acetate;

Reference yield:

: (S)-5-tert-Butoxycarbonylamino-6-cyclohexyl-4-hydroxy-hex-2-ynoic acid ethyl ester

: 127772-92-3
[(S)-2-Cyclohexyl-1-((S)-4-isopropylidene-5-oxo-tetrahydro-furan-2-yl)-ethyl]-carbamic acid tert-butyl ester

Guidance literature:: Multi-step reaction with 5 steps

1: H₂ / Pd/BaSO₄ / ethyl acetate / 3040 Torr

2: PCC, molecular sieves (3 Angstroem) / CH₂Cl₂

3: 1.) KBH₄, 2.) HOAc / 1.) ethanol, 0 deg C, 6 h, 2.) toluene, reflux

4: 1) LDA / 2) THF, -78 deg C

5: 89 percent / POCl₃, pyridine / 0 °C

With pyridine; potassium borohydride; 3 A molecular sieve; hydrogen; acetic acid; pyridinium chlorochromate; lithium diisopropyl amide; trichlorophosphate; Pd-BaSO₄; In dichloromethane; ethyl acetate;