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736172-42-2

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736172-42-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 736172-42-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,3,6,1,7 and 2 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 736172-42:
(8*7)+(7*3)+(6*6)+(5*1)+(4*7)+(3*2)+(2*4)+(1*2)=162
162 % 10 = 2
So 736172-42-2 is a valid CAS Registry Number.

736172-42-2Downstream Products

736172-42-2Relevant articles and documents

Asymmetric Petasis Borono-Mannich Allylation Reactions Catalyzed by Chiral Biphenols

Jiang, Yao,Schaus, Scott E.

, p. 1544 - 1548 (2017/02/05)

Chiral biphenols catalyze the asymmetric Petasis borono-Mannich allylation of aldehydes and amines through the use of a bench-stable allyldioxaborolane. The reaction proceeds via a two-step, one-pot process and requires 2–8 mole % of 3,3′-Ph2-BINOL as the optimal catalyst. Under microwave heating the reaction affords chiral homoallylic amines in excellent yields (up to 99 %) and high enantioselectivies (er up to 99:1). The catalytic reaction is a true multicomponent condensation reaction whereas both the aldehyde and the amine can possess a wide range of structural and electronic properties. Use of crotyldioxaborolane in the reaction results in stereodivergent products with anti- and syn-diastereomers both in good diastereoselectivities and enantioselectivities from the corresponding E- and Z-borolane stereoisomers.

Diene-ligated iridium catalyst for allylation reactions of ketones and imines

Barker, Timothy J.,Jarvo, Elizabeth R.

supporting information; experimental part, p. 1047 - 1049 (2009/08/15)

[Ir(cod)CI]2 is a highly reactive catalyst for allylation reactions of ketones using allylboronic ester. Mechanistic experiments are consistent with formation of a nucleophilic allyliridium(1) complex that is activated by the diene ligand towar

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