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7,7'-Diacetyl-8,8'-dihydroxy-6,6'-dimethyl-2,2'-binaphthalene-1,1',4,4'-tetrone is a complex organic compound characterized by its binaphthalene core structure. This molecule features two naphthalene rings that are fused together, with each ring having a methyl group at the 6,6' positions. The compound is further distinguished by the presence of two hydroxyl groups at the 8,8' positions and two acetyl groups at the 7,7' positions. The term "tetrone" in the name indicates that there are four carbonyl groups, which are located at the 1,1', 4, and 4' positions. This specific arrangement of functional groups gives the compound unique chemical properties and potential applications in various fields, such as in the synthesis of pharmaceuticals or as a chiral ligand in asymmetric catalysis.

1991-29-3

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1991-29-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1991-29-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,9,9 and 1 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1991-29:
(6*1)+(5*9)+(4*9)+(3*1)+(2*2)+(1*9)=103
103 % 10 = 3
So 1991-29-3 is a valid CAS Registry Number.

1991-29-3SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 17, 2017

Revision Date: Aug 17, 2017

1.Identification

1.1 GHS Product identifier

Product name 7-acetyl-2-(7-acetyl-8-hydroxy-6-methyl-1,4-dioxonaphthalen-2-yl)-8-hydroxy-6-methylnaphthalene-1,4-dione

1.2 Other means of identification

Product number -
Other names Dianellinone

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:1991-29-3 SDS

1991-29-3Downstream Products

1991-29-3Relevant academic research and scientific papers

Dimeric Naphthoquinones, 17. Synthesis of Stypandrone and Dianellinone

Laatsch, Hartmut

, p. 377 - 385 (2007/10/02)

The naphthoquinone stypandrone (2b) ist synthesized via the intermediates 5a, 6a and 6b.Selective monoalkylation of its hydroquinone yields the monoether 12b, which, on phenol oxidation and oxidative dealkylation, leads to 13 and dianellinone (2a).The synthesis confirms the 3,3'-dimerisation of the natural product. - Keywords: Naphthoquinones, Stypandrone, Dianellinone, Phenol Oxidation

Regioselective Syntheses of 3,3'-Bijuglone, Mamegakinone, Dianellinone, cyclo-Trijuglone, Xylospyrin, and Trianellinone by Phenol-Quinone Addition

Brockmann, Hans,Laatsch, Hartmut

, p. 433 - 447 (2007/10/02)

Regioselective phenol-quinone addition of juglone (1a), 7-methyljuglone (1b), and stypandrone (1c) in pyridine yields the dimers 3,3-bijuglone (5a), mamegakinone (5c), and dianellinone (5e).In acetic acid mainly the cyclo trimers cyclo-trijuglone (12a), xylospyrin (12d), and trianellinone (12g) are obtained.

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