Welcome to LookChem.com Sign In|Join Free

CAS

  • or

74371-91-8

Post Buying Request

74371-91-8 Suppliers

Recommended suppliersmore

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

74371-91-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 74371-91-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,3,7 and 1 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 74371-91:
(7*7)+(6*4)+(5*3)+(4*7)+(3*1)+(2*9)+(1*1)=138
138 % 10 = 8
So 74371-91-8 is a valid CAS Registry Number.

74371-91-8Relevant articles and documents

Heteroannulation of arynes with N-aryl-α-aminoketones for the synthesis of unsymmetrical N-aryl-2,3-disubstituted indoles: An aryne twist of Bischler-Moehlau indole synthesis

Bunescu, Ala,Piemontesi, Cyril,Wang, Qian,Zhu, Jieping

, p. 10284 - 10286 (2013/10/22)

Reaction of 2-(trimethylsilyl)aryl triflates 1 with N-aryl-α-amino ketones 2 afforded N-aryl-2,3-disubstituted indoles in good to excellent yields with complete control of the substitution patterns. This methodology allowed for the first time a one-step s

Zirconium-catalyzed multistep reaction of hydrazines with alkynes: A non-fischer-type pathway to indoles

Gehrmann, Thorsten,Lloret Fillol, Julio,Scholl, Solveig A.,Wadepohl, Hubert,Gade, Lutz H.

supporting information; experimental part, p. 5757 - 5761 (2011/08/05)

Dominos at zirconium: A cascade of N-N and C-H scissions and C-C and C-N coupling steps in the coordination sphere of zirconium directly converts alkynes and hydrazines into indoles. The reaction pathway differs fundamentally from that of the Fischer indo

Thermal cyclization of N-trifluoroacetyl enehydrazines under mild conditions: A novel entry into the Fischer indole synthesis

Miyata, Okiko,Kimura, Yasuo,Muroya, Kanami,Hiramatsu, Hajime,Naito, Takeaki

, p. 3601 - 3604 (2007/10/03)

An efficient thermal cyclization of N-trifluoroacetyl enehydrazines for the synthesis of indoles is described.

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 74371-91-8