Carbamic acid, [(2R,4S)-3,4-dihydro-2-methyl-2H-pyran-4-yl]-, 1,1-

Base Information

Chemical Name:Carbamic acid, [(2R,4S)-3,4-dihydro-2-methyl-2H-pyran-4-yl]-, 1,1-
CAS No.:697752-34-4
Molecular Formula:C₁₁H₁₉NO₃
Molecular Weight:213.277
Hs Code.:
Mol file:697752-34-4.mol

Synonyms:Carbamic acid, [(2R,4S)-3,4-dihydro-2-methyl-2H-pyran-4-yl]-, 1,1-

Suppliers and Price of Carbamic acid, [(2R,4S)-3,4-dihydro-2-methyl-2H-pyran-4-yl]-, 1,1-

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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 Carbamic acid, [(2R,4S)-3,4-dihydro-2-methyl-2H-pyran-4-yl]-, 1,1-

Chemical Property:

PSA：47.56000
LogP:2.59310

Purity/Quality:

Safty Information:

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Hazard Codes:

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Technology Process of Carbamic acid, [(2R,4S)-3,4-dihydro-2-methyl-2H-pyran-4-yl]-, 1,1-

There total 7 articles about Carbamic acid, [(2R,4S)-3,4-dihydro-2-methyl-2H-pyran-4-yl]-, 1,1- 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: 90.0%

: 697752-33-3,697752-20-8
[1-(2-hydroxy-propyl)-prop-2-ynyl]-carbamic acid tert-butyl ester

: 697752-34-4
(2-methyl-3,4-dihydro-2H-pyran-4-yl)-carbamic acid tert-butyl ester

Guidance literature:: With 1,4-diaza-bicyclo[2.2.2]octane; tungsten hexacarbonyl; In tetrahydrofuran; at 55 ℃; for 6h; Irradiation;
DOI:10.1021/ol049630m

Reference yield:

: 24424-99-5
di-tert-butyl dicarbonate

: 697752-34-4
(2-methyl-3,4-dihydro-2H-pyran-4-yl)-carbamic acid tert-butyl ester

Guidance literature:: Multi-step reaction with 3 steps

1: Et₃N / CH₂Cl₂ / 4 h / 0 °C

2: TBAF / tetrahydrofuran / 4 h / 0 °C

3: 90 percent / W(CO)6; 1,4-diazabicyclo[2.2.2]octane / tetrahydrofuran / 6 h / 55 °C / Irradiation

With 1,4-diaza-bicyclo[2.2.2]octane; tungsten hexacarbonyl; tetrabutyl ammonium fluoride; triethylamine; In tetrahydrofuran; dichloromethane;
DOI:10.1021/ol049630m

Reference yield:

: 697752-66-2
(3S,5R)-5-(tert-butyldimethylsilanyloxy)-1-(trimethylsilyl)-3-aminohex-1-yne

: 697752-34-4
(2-methyl-3,4-dihydro-2H-pyran-4-yl)-carbamic acid tert-butyl ester

Guidance literature:: Multi-step reaction with 3 steps

1: Et₃N / CH₂Cl₂ / 4 h / 0 °C

2: TBAF / tetrahydrofuran / 4 h / 0 °C

3: 90 percent / W(CO)6; 1,4-diazabicyclo[2.2.2]octane / tetrahydrofuran / 6 h / 55 °C / Irradiation

With 1,4-diaza-bicyclo[2.2.2]octane; tungsten hexacarbonyl; tetrabutyl ammonium fluoride; triethylamine; In tetrahydrofuran; dichloromethane;
DOI:10.1021/ol049630m