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16239-18-2

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16239-18-2 Usage

Chemical Properties

Pink to purple or light brown powder

Check Digit Verification of cas no

The CAS Registry Mumber 16239-18-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,2,3 and 9 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 16239-18:
(7*1)+(6*6)+(5*2)+(4*3)+(3*9)+(2*1)+(1*8)=102
102 % 10 = 2
So 16239-18-2 is a valid CAS Registry Number.
InChI:InChI=1/C10H6Br2O/c11-7-2-3-8-6(5-7)1-4-9(13)10(8)12/h1-5,13H

16239-18-2SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 10, 2017

Revision Date: Aug 10, 2017

1.Identification

1.1 GHS Product identifier

Product name 1,6-Dibromo-2-naphthol

1.2 Other means of identification

Product number -
Other names 1,6-DibroMo-2-naphthol

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:16239-18-2 SDS

16239-18-2Relevant articles and documents

A novel one-pot conversion of 2-naphthols into 1,1′-binaphthalene-2,2′-diols

Holy, Petr,Belohradsky, Martin,Zavada, Jiri

, p. 2597 - 2601 (1996)

A simple two-step, one-pot procedure based on the treatment of sodium 2-naphthoxide with bromine yields 1,1′-binaphthalene-2,2′-diol in a high yield and an excellent purity. The procedure is applicable also to preparation of the symmetrically disubstituted analogues.

Iodine(III)-Mediated, Controlled Di- or Monoiodination of Phenols

Satkar, Yuvraj,Yera-Ledesma, Luisa F.,Mali, Narendra,Patil, Dipak,Segura-Quezada, Luis A.,Ramírez-Morales, Perla I.,Solorio-Alvarado, César R.,Navarro-Santos, Pedro

, p. 4149 - 4164 (2019/04/30)

An oxidative procedure for the electrophilic iodination of phenols was developed by using iodosylbenzene as a nontoxic iodine(III)-based oxidant and ammonium iodide as a cheap iodine atom source. A totally controlled monoiodination was achieved by buffering the reaction medium with K3PO4. This protocol proceeds with short reaction times, at mild temperatures, in an open flask, and generally with high yields. Gram-scale reactions, as well as the scope of this protocol, were explored with electron-rich and electron-poor phenols as well as heterocycles. Quantum chemistry calculations revealed PhII(OH)·NH3 to be the most plausible iodinating active species as a reactive "I+" synthon. In light of the relevance of the iodoarene moiety, we present herein a practical, efficient, and simple procedure with a broad functional group scope that allows access to the iodoarene core unit.

Synthesis of 2-arylbenzofuran-3-carbaldehydes: via an organocatalytic [3+2] annulation/oxidative aromatization reaction

Zhang, Huiwen,Ma, Chunmei,Zheng, Ziwei,Sun, Rengwei,Yu, Xinhong,Zhao, Jianhong

supporting information, p. 4935 - 4938 (2018/05/23)

A novel organocatalytic [3+2] annulation/oxidative aromatization reaction of enals with 2-halophenols or β-naphthols is reported. This process enables chemo- and regioselective access to 2-arylbenzofuran-3-carbaldehydes without the use of transition metals or strong oxidants. Preliminary mechanistic studies reveal that an unprecedented, organocatalytic, direct α-arylation pathway is involved.

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