Welcome to LookChem.com Sign In|Join Free

CAS

  • or

76620-28-5

Post Buying Request

76620-28-5 Suppliers

Recommended suppliersmore

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

76620-28-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 76620-28-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,6,6,2 and 0 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 76620-28:
(7*7)+(6*6)+(5*6)+(4*2)+(3*0)+(2*2)+(1*8)=135
135 % 10 = 5
So 76620-28-5 is a valid CAS Registry Number.

76620-28-5Relevant articles and documents

Formal metal-free γ-arylation of 1,3-dicarbonyl compounds: Via an isomerisation/1,4-addition/[3,3]-sigmatropic rearrangement sequence

Guan, Xi-Dong,Lu, Shi-Chao,Wen, Fu-Qiang

supporting information, p. 8964 - 8968 (2021/11/27)

A metal-free redox arylation of alkynes with sulfoxides has been developed to provide unconventional access to diverse γ-arylated 1,3-dicarbonyl compounds in an atom-economical manner. Mechanistic studies suggest that a conjugated allenone intermediate was generated in situ, which solves the problem of reactivity and regioselectivity of unsymmetrical dialkyl-substituted internal alkynes and enables the functionalisation of a broad range of substrates bearing electron-withdrawing functional groups. The resulting arylated 1,3-dicarbonyl compounds are versatile and useful building blocks for further functionalisation. This journal is

Indium-mediated highly regioselective reaction of prop-2-ynyl bromides with acyl cyanides in aqueous media: A convenient synthesis of allenic and propargylic ketones

Yoo, Byung-Woo,Lee, Sung-Jae,Choi, Kwang-Hyun,Keum, Sam-Rok,Ko, Jae-Jung,Choi, Kyung-Il,Kim, Joong-Hyup

, p. 7287 - 7289 (2007/10/03)

Indium-mediated reaction of acyl cyanides 1 with prop-2-ynyl bromides 2 in aqueous media occurs regioselectively to afford either allenic 3 or propargylic ketones 4 depending on the γ-substituent of the prop-2-ynyl bromide under the mild conditions.

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

What can I do for you?
Get Best Price

Get Best Price for 76620-28-5