Welcome to LookChem.com Sign In|Join Free
  • or
2H-1-Benzopyran-2-one, 3,4-dihydro-5,6,7-trimethoxy-4-(4-methoxyphenyl)- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

267901-34-8

Post Buying Request

267901-34-8 Suppliers

Recommended suppliers

  • Product
  • FOB Price
  • Min.Order
  • Supply Ability
  • Supplier
  • Contact Supplier

267901-34-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 267901-34-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,6,7,9,0 and 1 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 267901-34:
(8*2)+(7*6)+(6*7)+(5*9)+(4*0)+(3*1)+(2*3)+(1*4)=158
158 % 10 = 8
So 267901-34-8 is a valid CAS Registry Number.

267901-34-8Downstream Products

267901-34-8Relevant academic research and scientific papers

Trifluoroacetic acid-mediated hydroarylation: Synthesis of dihydrocoumarins and dihydroquinolones

Li, Kelin,Foresee, Lindsay N.,Tunge, Jon A.

, p. 2881 - 2883 (2005)

(Chemical Equation Presented) Trifluoroacetic acid mediates the hydroarylation of alkenes to afford dihydrocoumarins and dihydroquinolones in good yield. Intermolecular hydroarylation of cinnamic acids by phenols is particularly facile, which leads to the

Hexafluoroisopropanol and Acetyl Chloride Promoted Catalytic Hydroarylation with Phenols

Roy, Sudeshna,Motiwala, Hashim F.,Koshlap, Karl M.,Aubé, Jeffrey

supporting information, p. 306 - 315 (2017/12/07)

We report a catalytic hydroarylation method to convert phenols to dihydrocoumarins in hexafluoroisopropanol (HFIP) using acid generated from sub-stoichiometric amounts of acetyl chloride as catalyst. Attractive elements include easy set-up and isolation, and applicability to a range of phenols including natural product substrates.

New Method for Preparation of Coumarins and Quinolinones via Pd-Catalyzed Intramolecular Hydroarylation of C-C Triple Bonds

Jia, Chengguo,Piao, Dongguo,Kitamura, Tsugio,Fujiwara, Yuzo

, p. 7516 - 7522 (2007/10/03)

A new and general method has been developed for preparation of coumarins and quinolinones by intramolecular hydroarylation of alkynes. Various aryl alkynoates and alkynanilides undergo fast intramolecular reaction at room temperature in the presence of a

Post a RFQ

Enter 15 to 2000 letters.Word count: 0 letters

Attach files(File Format: Jpeg, Jpg, Gif, Png, PDF, PPT, Zip, Rar,Word or Excel Maximum File Size: 3MB)

1 Customer Service

What can I do for you?
Get Best Price

Get Best Price for 267901-34-8