1,4-Dichloro-5,6,7,8-tetrahydrophthalazine

Product Name: 1,4-Dichloro-5,6,7,8-tetrahydrophthalazine
CAS No.: 67279-24-7
Chemical Name: 1,4-Dichloro-5,6,7,8-tetrahydrophthalazine
Synonyms: 1,4-Dichloro-5,6,7,8-tetrahydrophthalazine;Phthalazine, 1,4-dichloro-5,6,7,8-tetrahydro-
CBNumber: CB82471590
Molecular Formula: C8H8Cl2N2
Formula Weight: 203.07
MOL File: 67279-24-7.mol

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1,4-Dichloro-5,6,7,8-tetrahydrophthalazine Property

storage temp.: under inert gas (nitrogen or Argon) at 2-8°C
Appearance: Off-white to light yellow Solid

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Hazard and Precautionary Statements (GHS)

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N-Bromosuccinimide Price

American Custom Chemicals Corporation

Product number: HCH0317935
Product name: 1,4-DICHLORO-5,6,7,8-TETRAHYDROPHTHALAZINE
Purity: 95.00%
Packaging: 5MG
Price: $500.29
Updated: 2021/12/16

AK Scientific

Product number: 9295CT
Product name: 1,4-Dichloro-5,6,7,8-tetrahydrophthalazine
Packaging: 1g
Price: $548
Updated: 2021/12/16

Matrix Scientific

Product number: 161961
Product name: 1,4-Dichloro-5,6,7,8-tetrahydrophthalazine
Purity: 95%
Packaging: 5g
Price: $1050
Updated: 2021/12/16

Matrix Scientific

Product number: 161961
Product name: 1,4-Dichloro-5,6,7,8-tetrahydrophthalazine
Purity: 95%
Packaging: 10g
Price: $1750
Updated: 2021/12/16

Ambeed

Product number: A117671
Product name: 1,4-Dichloro-5,6,7,8-tetrahydrophthalazine
Purity: 97%
Packaging: 5g
Price: $1086
Updated: 2021/12/16

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1,4-Dichloro-5,6,7,8-tetrahydrophthalazine Chemical Properties,Usage,Production

Chemical Properties

White solid

Uses

1,4-Dichloro-5,6,7,8-tetrahydronaphthalene can be used in organic synthesis and pharmaceutical intermediates.

Synthesis

67279-23-6

67279-24-7

2,3,5,6,7,8-Hexahydrophthalazine-1,4-dione (40) (2.09 g, 12.6 mmol) was used as a starting material, which was suspended in phosphorus trichloride (POCl3, 10 mL) and heated to reflux for 1 hour. After completion of the reaction, it was cooled to room temperature and the reaction mixture was slowly poured into ice water. The precipitated solid product was collected by filtration and dried in a vacuum oven to afford 1,4-dichloro-5,6,7,8-tetrahydro-2,3-diazanaphthalene (41) (2.23 g, 87% yield). The molecular ion peak (MH+) was determined as 203.0139 by high resolution mass spectrometry (HR MS).

References

[1] Patent: US2010/41663, 2010, A1. Location in patent: Page/Page column 42
[2] Patent: WO2008/110611, 2008, A1. Location in patent: Page/Page column 104
[3] Patent: WO2011/80510, 2011, A1. Location in patent: Page/Page column 71
[4] Journal of Organic Chemistry, 1955, vol. 20, p. 707,708
[5] Journal of Medicinal Chemistry, 2004, vol. 47, # 14, p. 3642 - 3657

1,4-Dichloro-5,6,7,8-tetrahydrophthalazine Preparation Products And Raw materials

Raw materials

Preparation Products

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View Lastest Price from 1,4-Dichloro-5,6,7,8-tetrahydrophthalazine manufacturers

Shanghai Rlavie Technology Co ltd

Product: 1,4-Dichloro-5,6,7,8-tetrahydrophthalazine 67279-24-7
Price: US $0.00/KG
Min. Order: 1g
Purity: 98%minNMR
Supply Ability: 10kgs/month
Release date: 2021-12-28

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67279-24-7