carbonic acid 5-tert-butoxycarbonyloxy-2-(4-tert-butoxy-phenyl)-4-oxo-chroman-7-yl ester tert-butyl ester

Base Information

Chemical Name:carbonic acid 5-tert-butoxycarbonyloxy-2-(4-tert-butoxy-phenyl)-4-oxo-chroman-7-yl ester tert-butyl ester
CAS No.:895918-08-8
Molecular Formula:C₂₉H₃₆O₉
Molecular Weight:528.599
Hs Code.:

carbonic acid 5-<i>tert</i>-butoxycarbonyloxy-2-(4-<i>tert</i>-butoxy-phenyl)-4-oxo-chroman-7-yl ester <i>tert</i>-butyl ester

Synonyms:carbonic acid 5-tert-butoxycarbonyloxy-2-(4-tert-butoxy-phenyl)-4-oxo-chroman-7-yl ester tert-butyl ester

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Chemical Property of carbonic acid 5-tert-butoxycarbonyloxy-2-(4-tert-butoxy-phenyl)-4-oxo-chroman-7-yl ester tert-butyl ester

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Technology Process of carbonic acid 5-tert-butoxycarbonyloxy-2-(4-tert-butoxy-phenyl)-4-oxo-chroman-7-yl ester tert-butyl ester

There total 4 articles about carbonic acid 5-tert-butoxycarbonyloxy-2-(4-tert-butoxy-phenyl)-4-oxo-chroman-7-yl ester 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: 88.0%

: 895918-07-7
carbonic acid 5-tert-butoxycarbonyloxy-2-(4-tert-butoxy-phenyl)-chroman-7-yl ester tert-butyl ester

: 895918-08-8
carbonic acid 5-tert-butoxycarbonyloxy-2-(4-tert-butoxy-phenyl)-4-oxo-chroman-7-yl ester tert-butyl ester

Guidance literature:: With 2,3-dicyano-5,6-dichloro-p-benzoquinone; In dichloromethane; water; at 20 ℃;
DOI:10.1016/j.tet.2006.01.109

Reference yield:

: 895918-06-6
tri-tert-butyl (2-formylbenzene-1,3,5-triyl)tricarbonate

: 895918-08-8
carbonic acid 5-tert-butoxycarbonyloxy-2-(4-tert-butoxy-phenyl)-4-oxo-chroman-7-yl ester tert-butyl ester

Guidance literature:: Multi-step reaction with 2 steps

1.1: magnesium bromide dietherate / diethyl ether

1.2: 45 percent / lithium aluminum hydride / diethyl ether / 3 h / -78 - 20 °C

2.1: 88 percent / 2,3-dichloro-5,6-dicyano-1,4-benzoquinone / CH₂Cl₂; H₂O / 20 °C

With magnesium dibromide etherate; 2,3-dicyano-5,6-dichloro-p-benzoquinone; In diethyl ether; dichloromethane; water;
DOI:10.1016/j.tet.2006.01.109

Reference yield:

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

: 895918-08-8
carbonic acid 5-tert-butoxycarbonyloxy-2-(4-tert-butoxy-phenyl)-4-oxo-chroman-7-yl ester tert-butyl ester

Guidance literature:: Multi-step reaction with 3 steps

1.1: 75 percent / Et(i-Pr)2N; 4-(dimethylamino)pyridine / CH₂Cl₂

2.1: magnesium bromide dietherate / diethyl ether

2.2: 45 percent / lithium aluminum hydride / diethyl ether / 3 h / -78 - 20 °C

3.1: 88 percent / 2,3-dichloro-5,6-dicyano-1,4-benzoquinone / CH₂Cl₂; H₂O / 20 °C

With dmap; magnesium dibromide etherate; N-ethyl-N,N-diisopropylamine; 2,3-dicyano-5,6-dichloro-p-benzoquinone; In diethyl ether; dichloromethane; water;
DOI:10.1016/j.tet.2006.01.109