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35459-13-3

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35459-13-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 35459-13-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,5,4,5 and 9 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 35459-13:
(7*3)+(6*5)+(5*4)+(4*5)+(3*9)+(2*1)+(1*3)=123
123 % 10 = 3
So 35459-13-3 is a valid CAS Registry Number.

35459-13-3Downstream Products

35459-13-3Relevant articles and documents

Efficient Synthesis of 2-Amino-1-Arylethanols Through a Lewis Base-Catalyzed SiCl4-Mediated Asymmetric Passerini-Type Reaction

Ayad, Tahar,Gernet, Aurélie,Pirat, Jean-Luc,Ratovelomanana-Vidal, Virginie,Virieux, David

supporting information, p. 6497 - 6500 (2020/10/30)

We herein report, a practical and efficient strategy for the synthesis of enantiomerically enriched 2-amino-1-arylethanols, a structural motif commonly encountered in the family of β-adrenergic blockers or agonists, through a Lewis base-catalyzed SiClsub

One-pot synthesis of N-substituted β-amino alcohols from aldehydes and isocyanides

Cioc, R?zvan C.,Van Der Niet, Daan J. H.,Janssen, Elwin,Ruijter, Eelco,Orru, Romano V.A.

, p. 7808 - 7813 (2015/05/20)

A practical two-stage one-pot synthesis of N-substituted β-amino alcohols using aldehydes and isocyanides as starting materials has been developed. This method features mild reaction conditions, broad scope, and general tolerance of functional groups. Based on a less common central carbon-carbon bond disconnection, this protocol complements traditional approaches that involve amines and various carbon electrophiles (epoxides, α-halo ketones, β-halohydrins). Medicinally relevant products can be prepared in a concise and efficient way from simple building blocks, as demonstrated in the synthesis of the antiasthma drug salbutamol. Upgrading the synthesis to an enantioselective variant is also feasible.

Application of the chiral acyl anion equivalent, trans-1,3-dithiane 1,3-dioxide, to an asymmetric synthesis of (R)-salbutamol

Aggarwal, Varinder K.,Esquivel-Zamora, Blanca N.

, p. 8618 - 8621 (2007/10/03)

An enantioselective synthesis of (R)-salbutamol has been carried out using the chiral, C2 symmetric acyl anion equivalent, (1R,3R)-1,3-dithiane 1,3-dioxide, which undergoes addition to an aromatic aldehyde with very high stereocontrol at 0 °C. Pummerer reaction and work-up with lithium ethanethiolate generated the α-hydroxy thiolester in high yield and further transformations led to the target compound with high enantiomeric excess.

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