Welcome to LookChem.com Sign In|Join Free

CAS

  • or

33429-09-3

Post Buying Request

33429-09-3 Suppliers

Recommended suppliersmore

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

33429-09-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 33429-09-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,3,4,2 and 9 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 33429-09:
(7*3)+(6*3)+(5*4)+(4*2)+(3*9)+(2*0)+(1*9)=103
103 % 10 = 3
So 33429-09-3 is a valid CAS Registry Number.

33429-09-3Relevant articles and documents

One-pot synthesis of 2-acylbenzothiazoles from 2-aminobenzenethiols and arylacetonitriles via cyclization and sequential oxidation

Zhang, Shanshan,Wang, Shiwei,Leng, Yuting,Wu, Yangjie

supporting information, (2021/08/13)

An efficient one-pot method to access 2-acylbenzothiazoles via AlCl3-mediated cyclization reaction and I2-promoted sequential oxidation reaction of 2-aminobenzenethiols with arylacetonitriles was developed. This reaction proceeds smoothly with a wide range of arylacetonitriles containing different functional groups to give the corresponding products in moderate to good yields under mild conditions. Moreover, this reaction was conveniently conducted on a gram scale, and the yield is still up to 68%.

Visible-light-promoted photocatalyst-free alkylation and acylation of benzothiazoles

Jiang, Pengxing,Liu, Li,Tan, Jiajing,Du, Hongguang

supporting information, p. 4487 - 4491 (2021/05/31)

Herein we report a protocol for the visible-light-mediated alkylation/acylation reaction of benzothiazoles. Alkyl/acyl substituted Hantzsch esters are easily prepared and rationally used as radical precursors. In the presence of BF3·Et2O and Na2S2O8, various benzothiazole derivatives were readily obtained in good yields. Our user-friendly protocol can proceed by simple irradiation with blue LEDs (λ = 465 nm) and without the assistance of external photocatalysts. The reaction is also characterized by mild conditions and scalability, thus offering an alternative and efficient tool for the synthesis of 2-functionalized benzothiazoles.

C2-arylacylation of 2H-benzothiazoles with methyl arenes via Selectfluor oxidation

Chen, Bo,Kong, Yao-Lei,Liu, Jin-Chuan,Lu, Qi,Sun, Xiao-Tong,Weng, Jian-Quan

supporting information, (2021/06/03)

An efficient Selectfluor-oxidative protocol was developed for the direct C2-arylacylation of 2H-benzothiazoles via the radical reaction of 2H-benzothiazoles with methyl arenes. Selectfluor can effectively promote the oxidative cross-coupling without an ex

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 33429-09-3