5-[(E)-2-(2-Chloro-phenyl)-vinyl]-2-[1-(3,4-dimethoxy-phenyl)-meth-(Z)-ylidene]-7,7-dimethyl-7H-thiazolo[3,2-a]pyrimidin-3-one

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Chemical Name:5-[(E)-2-(2-Chloro-phenyl)-vinyl]-2-[1-(3,4-dimethoxy-phenyl)-meth-(Z)-ylidene]-7,7-dimethyl-7H-thiazolo[3,2-a]pyrimidin-3-one
CAS No.:76337-66-1
Molecular Formula:C₂₅H₂₃ClN₂O₃S
Molecular Weight:466.988
Hs Code.:

Synonyms:5-[(E)-2-(2-Chloro-phenyl)-vinyl]-2-[1-(3,4-dimethoxy-phenyl)-meth-(Z)-ylidene]-7,7-dimethyl-7H-thiazolo[3,2-a]pyrimidin-3-one

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Chemical Property of 5-[(E)-2-(2-Chloro-phenyl)-vinyl]-2-[1-(3,4-dimethoxy-phenyl)-meth-(Z)-ylidene]-7,7-dimethyl-7H-thiazolo[3,2-a]pyrimidin-3-one

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Technology Process of 5-[(E)-2-(2-Chloro-phenyl)-vinyl]-2-[1-(3,4-dimethoxy-phenyl)-meth-(Z)-ylidene]-7,7-dimethyl-7H-thiazolo[3,2-a]pyrimidin-3-one

There total 3 articles about 5-[(E)-2-(2-Chloro-phenyl)-vinyl]-2-[1-(3,4-dimethoxy-phenyl)-meth-(Z)-ylidene]-7,7-dimethyl-7H-thiazolo[3,2-a]pyrimidin-3-one 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%

: 120-14-9
3,4-dimethoxy-benzaldehyde

: 6-[(E)-2-(2-Chloro-phenyl)-vinyl]-4,4-dimethyl-3,4-dihydro-1H-pyrimidine-2-thione

: 79-11-8
chloroacetic acid

: 76337-66-1
5-[(E)-2-(2-Chloro-phenyl)-vinyl]-2-[1-(3,4-dimethoxy-phenyl)-meth-(Z)-ylidene]-7,7-dimethyl-7H-thiazolo[3,2-a]pyrimidin-3-one

Guidance literature:: With sodium acetate; acetic anhydride; In acetic acid; for 1h; Heating;
DOI:10.1021/je00023a029

Reference yield:

: 5392-23-4,5778-17-6
3,4-dihydro-4,4,6-trimethylpyrimidine-2(1H)-thione

: 76337-66-1
5-[(E)-2-(2-Chloro-phenyl)-vinyl]-2-[1-(3,4-dimethoxy-phenyl)-meth-(Z)-ylidene]-7,7-dimethyl-7H-thiazolo[3,2-a]pyrimidin-3-one

Guidance literature:: Multi-step reaction with 2 steps

1: 2.) KOH / 1.) 75percent aq. EtOH, 70 deg C, 2.) 50percent aq. EtOH, 70 deg C, 15 min then room temp., 5 h

2: 90 percent / CH₃COONa, acetic anhydride / acetic acid / 1 h / Heating

With potassium hydroxide; sodium acetate; acetic anhydride; In acetic acid;
DOI:10.1021/je00023a029

Reference yield:

: 89-98-5
2-chloro-benzaldehyde

: 76337-66-1
5-[(E)-2-(2-Chloro-phenyl)-vinyl]-2-[1-(3,4-dimethoxy-phenyl)-meth-(Z)-ylidene]-7,7-dimethyl-7H-thiazolo[3,2-a]pyrimidin-3-one

Guidance literature:: Multi-step reaction with 2 steps

1: 2.) KOH / 1.) 75percent aq. EtOH, 70 deg C, 2.) 50percent aq. EtOH, 70 deg C, 15 min then room temp., 5 h

2: 90 percent / CH₃COONa, acetic anhydride / acetic acid / 1 h / Heating

With potassium hydroxide; sodium acetate; acetic anhydride; In acetic acid;
DOI:10.1021/je00023a029