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151489-85-9

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151489-85-9 Usage

General Description

(1S)-6,6'-Dimethoxy[1,1'-biphenyl]-2,2'-diamine, also known as (S)-(+)-1,1'-Bi(2-naphthol), is a chiral diamine compound used in the synthesis of chiral ligands and catalysts. It is commonly employed in asymmetric catalysis for the enantioselective synthesis of various organic compounds. (1S)-6,6'-Dimethoxy[1,1'-biphenyl]-2,2'-diamine is a key building block in the production of pharmaceuticals, agrochemicals, and materials. It has two methoxy groups attached to the biphenyl core, and its chiral nature makes it a valuable chemical for controlling the stereochemistry of reactions in organic synthesis. Overall, (1S)-6,6'-Dimethoxy[1,1'-biphenyl]-2,2'-diamine is a versatile and important compound in the field of asymmetric synthesis and catalysis.

Check Digit Verification of cas no

The CAS Registry Mumber 151489-85-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,1,4,8 and 9 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 151489-85:
(8*1)+(7*5)+(6*1)+(5*4)+(4*8)+(3*9)+(2*8)+(1*5)=149
149 % 10 = 9
So 151489-85-9 is a valid CAS Registry Number.

151489-85-9Downstream Products

151489-85-9Relevant articles and documents

Synthetic method for optically pure double-helix oligomeric tetra-benzocyclooctene substances

-

, (2017/07/31)

The invention discloses a synthetic method for optically pure double-helix oligomeric tetra-benzocyclooctene substances. The synthetic method comprises the following steps: (1) carrying out oxidative cross-coupling on diiodo dimethoxy biphenyl (51) and 2,2',6,6'-biphenyl tetrabromide (97) to obtain 1,16-dibromo-8,9-dimethoxy tetra-benzocyclooctene (96); (2) splitting the compound (96), thus obtaining optically pure (S, S)-96 and (R, R)-96; (3) taking the compound (96) as a raw material, synthesizing an intermediate (116) containing 6 benzene rings; (4) splitting the intermediate (116) to obtain (M)-116 and (P)-116; (5) making the optically pure (S, S)-96 and (M)-116 reacted to obtain target products, namely (M) -117, (M)-149 and (M)-150; and/or: making the (R, R)-96 and (P)-116 reacted to obtain target products, namely (P)-117, (P)-149 and (P)-150.

Chiral biphenylamide derivative: An efficient organocatalyst for the enantioselective synthesis of α-hydroxy phosphonates

Jiang, Jun,Chen, Xiaohong,Wang, Jun,Hui, Yonghai,Liu, Xiaohua,Lin, Lili,Feng, Xiaoming

supporting information; experimental part, p. 4355 - 4357 (2009/12/25)

The aldol reactions of α-keto phosphonates and aldehydes were facilitated by an axially chiral biphenylprolinamide under mild conditions, affording the synthetically and pharmaceutically useful products in high yields and excellent enantioselectivities.

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