2--2-methyl-6-<<(methylamino)carbonyl>oxy>-3-oxo-3,6-dihydro-2H-pyran

Base Information

Chemical Name:2--2-methyl-6-<<(methylamino)carbonyl>oxy>-3-oxo-3,6-dihydro-2H-pyran
CAS No.:81830-88-8
Molecular Formula:C₂₀H₁₉NO₆S
Molecular Weight:401.44
Hs Code.:

2-<p-(benzenesulfonyl)phenyl>-2-methyl-6-<<(methylamino)carbonyl>oxy>-3-oxo-3,6-dihydro-2H-pyran

Synonyms:2--2-methyl-6-<<(methylamino)carbonyl>oxy>-3-oxo-3,6-dihydro-2H-pyran

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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 2--2-methyl-6-<<(methylamino)carbonyl>oxy>-3-oxo-3,6-dihydro-2H-pyran

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Technology Process of 2--2-methyl-6-<<(methylamino)carbonyl>oxy>-3-oxo-3,6-dihydro-2H-pyran

There total 4 articles about 2--2-methyl-6-<<(methylamino)carbonyl>oxy>-3-oxo-3,6-dihydro-2H-pyran 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: 84.7%

: 102285-69-8
6-hydroxy-2--2-methyl-2H-pyran-3(6H)-one

: 624-83-9
methyl isocyanate

: 81830-88-8
2--2-methyl-6-<<(methylamino)carbonyl>oxy>-3-oxo-3,6-dihydro-2H-pyran

: 81830-87-7
5-(4-Benzenesulfonyl-phenyl)-1,5-dimethyl-dihydro-pyrano[3,2-d]oxazole-2,6-dione

Guidance literature:: With triethylamine; In diethyl ether; dichloromethane; 1.) room temp., 2 h, 2.) 5 deg C, 20 h;
DOI:10.1021/jo00137a005

Reference yield: 10.0%

: 102285-69-8
6-hydroxy-2--2-methyl-2H-pyran-3(6H)-one

: 624-83-9
methyl isocyanate

: 81830-88-8
2--2-methyl-6-<<(methylamino)carbonyl>oxy>-3-oxo-3,6-dihydro-2H-pyran

: 81830-87-7,133268-29-8,145415-59-4
5-<4-(benzenesulfonyl)phenyl>-1,5-dimethyldihydro-<1H,7H>-5H-pyrano<3,2-d>oxazole-2,6-dione

Guidance literature:: With triethylamine; In dichloromethane; for 6h; Ambient temperature;

Reference yield:

: 65085-83-8
4'-(phenylsulfonyl)acetophenone

: 81830-88-8
2--2-methyl-6-<<(methylamino)carbonyl>oxy>-3-oxo-3,6-dihydro-2H-pyran

Guidance literature:: Multi-step reaction with 3 steps

2: 83percent m-chloroperbenzoic acid (MCPBA) / CHCl₃ / 3 h / 10 - 15 °C

3: 84.7 percent / Et₃N / diethyl ether; CH₂Cl₂ / 1.) RT, 2 h, 2.) 5 deg C, 20 h

With triethylamine; 3-chloro-benzenecarboperoxoic acid; In diethyl ether; dichloromethane; chloroform;
DOI:10.1021/jo00137a005