4-(tert-butoxycarbonyl)-3-[(diphenoxyphosphoryl)oxo]-4H-pyrido[3,2-b][1,4]oxazine

Base Information

Chemical Name:4-(tert-butoxycarbonyl)-3-[(diphenoxyphosphoryl)oxo]-4H-pyrido[3,2-b][1,4]oxazine
CAS No.:248263-52-7
Molecular Formula:C₂₄H₂₃N₂O₇P
Molecular Weight:482.43
Hs Code.:

Synonyms:4-(tert-butoxycarbonyl)-3-[(diphenoxyphosphoryl)oxo]-4H-pyrido[3,2-b][1,4]oxazine

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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 4-(tert-butoxycarbonyl)-3-[(diphenoxyphosphoryl)oxo]-4H-pyrido[3,2-b][1,4]oxazine

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Technology Process of 4-(tert-butoxycarbonyl)-3-[(diphenoxyphosphoryl)oxo]-4H-pyrido[3,2-b][1,4]oxazine

There total 3 articles about 4-(tert-butoxycarbonyl)-3-[(diphenoxyphosphoryl)oxo]-4H-pyrido[3,2-b][1,4]oxazine 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: 80.0%

: 2524-64-3
chlorophosphoric acid diphenyl ester

: 248263-50-5
tert-butyl 3-oxo-3,4-dihydro-2H-pyrido[3,2-b][1,4]oxazine-4-carboxylate

: 248263-52-7
4-(tert-butoxycarbonyl)-3-[(diphenoxyphosphoryl)oxo]-4H-pyrido[3,2-b][1,4]oxazine

Guidance literature:: With N,N,N,N,-tetramethylethylenediamine; lithium diisopropyl amide; In tetrahydrofuran; at -78 ℃;
DOI:10.1016/S0040-4039(99)01160-0

Reference yield:

: 20348-09-8
4H-pyrido[3,2-b][1,4]oxazin-3-one

: 248263-52-7
4-(tert-butoxycarbonyl)-3-[(diphenoxyphosphoryl)oxo]-4H-pyrido[3,2-b][1,4]oxazine

Guidance literature:: Multi-step reaction with 2 steps

1: 98 percent / DMAP / tetrahydrofuran / 20 °C

2: 80 percent / LDA; TMEDA / tetrahydrofuran / -78 °C

With dmap; N,N,N,N,-tetramethylethylenediamine; lithium diisopropyl amide; In tetrahydrofuran; 1: Acylation / 2: Esterification;
DOI:10.1016/S0040-4039(99)01160-0

Reference yield:

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

: 248263-52-7
4-(tert-butoxycarbonyl)-3-[(diphenoxyphosphoryl)oxo]-4H-pyrido[3,2-b][1,4]oxazine

Guidance literature:: Multi-step reaction with 2 steps

1: 98 percent / DMAP / tetrahydrofuran / 20 °C

2: 80 percent / LDA; TMEDA / tetrahydrofuran / -78 °C

With dmap; N,N,N,N,-tetramethylethylenediamine; lithium diisopropyl amide; In tetrahydrofuran; 1: Acylation / 2: Esterification;
DOI:10.1016/S0040-4039(99)01160-0