4-chloro-2-(4-methyl phenyl)-2H-3-chromene carbaldehyde

Base Information

Chemical Name:4-chloro-2-(4-methyl phenyl)-2H-3-chromene carbaldehyde
CAS No.:373357-13-2
Molecular Formula:C₁₇H₁₃ClO₂
Molecular Weight:284.742
Hs Code.:

Synonyms:4-chloro-2-(4-methyl phenyl)-2H-3-chromene carbaldehyde

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Chemical Property of 4-chloro-2-(4-methyl phenyl)-2H-3-chromene carbaldehyde

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Technology Process of 4-chloro-2-(4-methyl phenyl)-2H-3-chromene carbaldehyde

There total 4 articles about 4-chloro-2-(4-methyl phenyl)-2H-3-chromene carbaldehyde 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%

: 89839-87-2,127179-84-4,41255-36-1
2-(4-methylphenyl)-2,3-dihydro-4H-chromen-4-one

: 68-12-2,33513-42-7
N,N-dimethyl-formamide

: 373357-13-2
4-chloro-2-(4-methyl phenyl)-2H-3-chromene carbaldehyde

Guidance literature:: With bis(trichloromethyl) carbonate; at 0 - 60 ℃; for 2.5h;
DOI:10.3184/174751912X13263828746643

Reference yield:

: 34000-27-6
(2E)-1-(2-hydroxyphenyl)-3-(4-methylphenyl)prop-2-en-1-one

: 373357-13-2
4-chloro-2-(4-methyl phenyl)-2H-3-chromene carbaldehyde

Guidance literature:: Multi-step reaction with 2 steps

1: HCl / ethanol / Heating

2: 85 percent / POCl₃ / 0 °C

With hydrogenchloride; trichlorophosphate; In ethanol; 2: Vilsmeier-Haack reaction;
DOI:10.1081/SCC-100105383

Reference yield:

: 104-87-0
4-methyl-benzaldehyde

: 373357-13-2
4-chloro-2-(4-methyl phenyl)-2H-3-chromene carbaldehyde

Guidance literature:: Multi-step reaction with 3 steps

1: potassium hydroxide / ethanol; water / 8 h / 20 °C

2: hydrogenchloride / ethanol; water / Reflux

3: trichlorophosphate / 2 h / 0 - 20 °C

With hydrogenchloride; potassium hydroxide; trichlorophosphate; In ethanol; water;
DOI:10.1134/S1070363217100243