C₁₉H₁₈O

Base Information

Chemical Name:C₁₉H₁₈O
CAS No.:1338236-47-7
Molecular Formula:C₁₉H₁₈O
Molecular Weight:262.351
Hs Code.:

Synonyms:C₁₉H₁₈O

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Chemical Property of C₁₉H₁₈O

Chemical Property:

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Technology Process of C₁₉H₁₈O

There total 6 articles about C₁₉H₁₈O 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: 83.0%

: 103839-04-9
3,4-dihydro-1-methoxy-5-methyl-1H-isochromene

: 766-82-5
1-ethynyl-3-methyl-benzene

: 1338236-47-7
C₁₉H₁₈O

Guidance literature:: With tetrakis(actonitrile)copper(I) hexafluorophosphate; trimethylsilyl trifluoromethanesulfonate; N-ethyl-N,N-diisopropylamine; (4S,4S')-(-)-2,2'-(1-methylethylidene)bis[4,5-dihydro-4-(phenylmethyl)oxazole]; In diethyl ether; at -22 ℃; for 12h; enantioselective reaction; Inert atmosphere;
DOI:10.1021/acs.joc.5b00364

Reference yield:

: 1032509-63-9
1-(2-(methoxymethoxy)ethyl)-2-methylbenzene

: 1338236-47-7
C₁₉H₁₈O

Guidance literature:: Multi-step reaction with 3 steps

1.1: trimethylsilyl trifluoromethanesulfonate / acetonitrile / 0 - 20 °C / Inert atmosphere

2.1: 2,3-dicyano-5,6-dichloro-p-benzoquinone / dichloromethane / 24 h / 20 °C / Inert atmosphere

3.1: Cu(MeCN)4PF₆; N-ethyl-N,N-diisopropylamine; (4S,4S')-(-)-2,2'-(1-methylethylidene)bis[4,5-dihydro-4-(phenylmethyl)oxazole] / diethyl ether / 0.08 h / -22 °C / Inert atmosphere

3.2: 12 h / -22 °C / Inert atmosphere

With trimethylsilyl trifluoromethanesulfonate; Cu(MeCN)4PF₆; N-ethyl-N,N-diisopropylamine; 2,3-dicyano-5,6-dichloro-p-benzoquinone; (4S,4S')-(-)-2,2'-(1-methylethylidene)bis[4,5-dihydro-4-(phenylmethyl)oxazole]; In diethyl ether; dichloromethane; acetonitrile;
DOI:10.1021/ja207585p

Reference yield:

: 103839-06-1
3,4-dihydro-5-methyl-2(1H)-benzopyran

: 1338236-47-7
C₁₉H₁₈O

Guidance literature:: Multi-step reaction with 2 steps

1.1: 2,3-dicyano-5,6-dichloro-p-benzoquinone / dichloromethane / 24 h / 20 °C / Inert atmosphere

2.1: Cu(MeCN)4PF₆; N-ethyl-N,N-diisopropylamine; (4S,4S')-(-)-2,2'-(1-methylethylidene)bis[4,5-dihydro-4-(phenylmethyl)oxazole] / diethyl ether / 0.08 h / -22 °C / Inert atmosphere

2.2: 12 h / -22 °C / Inert atmosphere

With Cu(MeCN)4PF₆; N-ethyl-N,N-diisopropylamine; 2,3-dicyano-5,6-dichloro-p-benzoquinone; (4S,4S')-(-)-2,2'-(1-methylethylidene)bis[4,5-dihydro-4-(phenylmethyl)oxazole]; In diethyl ether; dichloromethane;
DOI:10.1021/ja207585p