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13033-04-0

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13033-04-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 13033-04-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,0,3 and 3 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 13033-04:
(7*1)+(6*3)+(5*0)+(4*3)+(3*3)+(2*0)+(1*4)=50
50 % 10 = 0
So 13033-04-0 is a valid CAS Registry Number.

13033-04-0Downstream Products

13033-04-0Relevant articles and documents

Iron-catalysed alkylation of 2-methyl and 4-methyl azaarenes with alcoholsviaC-H bond activation

Banerjee, Debasis,Bera, Sourajit,Kabadwal, Lalit Mohan

supporting information, p. 4777 - 4780 (2020/05/13)

The first Fe-catalysed alkylation of 2-methyl and 4-methyl-azaarenes with a series of alkyl and hetero-aryl alcohols is reported (>39 examples and up to 95% yield). Multi-functionalisation of pyrazines and synthesis of anti-malarial drug (±) Angustureine significantly broaden the scope of this methodology. Preliminary mechanistic investigation, deuterium labeling and kinetic experiments including trapping of the enamine intermediate1a'are of special importance.

Nickel-catalysed alkylation of C(sp3)-H bonds with alcohols: direct access to functionalised N-heteroaromatics

Vellakkaran, Mari,Das, Jagadish,Bera, Sourajit,Banerjee, Debasis

supporting information, p. 12369 - 12372 (2018/11/20)

The first base-metal catalysed coupling of primary alcohols with methyl-N-heteroaromatics is reported. The use of an earth abundant and nonprecious NiBr2/L1 system enables access to a series of C(sp3)-alkylated N-heteroaromatics. Mechanistic studies have established the participation of a hydrogen-borrowing strategy for α-alkylation.

The copper-catalysed Suzuki-Miyaura coupling of alkylboron reagents: disproportionation of anionic (alkyl)(alkoxy)borates to anionic dialkylborates prior to transmetalation

Basnet, Prakash,Thapa, Surendra,Dickie, Diane A.,Giri, Ramesh

supporting information, p. 11072 - 11075 (2016/09/19)

We report the first example of CuI-catalysed coupling of alkylboron reagents with aryl and heteroaryl iodides that affords products in good to excellent yields. Preliminary mechanistic studies with alkylborates indicate that the anionic (alkoxy)(alkyl)borates, generated from alkyllithium and alkoxyboron reagents, undergo disproportionation to anionic dialkylborates and that both anionic alkylborates are active for transmetalation to a CuI-catalyst. Results from a radical clock experiment and the Hammett plot imply that the reaction likely proceeds via a non-radical pathway.

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