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105414-01-5

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105414-01-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 105414-01-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,5,4,1 and 4 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 105414-01:
(8*1)+(7*0)+(6*5)+(5*4)+(4*1)+(3*4)+(2*0)+(1*1)=75
75 % 10 = 5
So 105414-01-5 is a valid CAS Registry Number.

105414-01-5Relevant articles and documents

Efficient ball-mill procedure in the 'green' asymmetric aldol reaction organocatalyzed by (S)-proline-containing dipeptides in the presence of water

Hernandez, Jose G.,Juaristi, Eusebio

, p. 6953 - 6959 (2011)

The organocatalytic activity of (S)-proline-based dipeptides 1a-c has been evaluated in the asymmetric aldol reaction between representative ketones with various aromatic aldehydes under solvent-free conditions in a ball mill. In particular, the methyl ester of (S)-proline-(S)-tryptophan, (S,S)-1c, proved to be an efficient organocatalyst, and the aldol reaction proceeded with good chemical yields and excellent diastereo- and enantioselectivity (up to 98:2 anti/syn dr and up to 98% ee), in the presence of water, and 5 mol % of benzoic acid as additive.

A chiral amino-naphthalene-derived prolinamide catalyst for the enantioselective Michael addition of ketones to nitroolefins

Yu, Chuanming,Zhang, Ke,Shi, Xiangjun

, p. 278 - 282 (2012/09/25)

An enantioselective Michael addition of ketones to nitroolefins has been accomplished using a novel chiral aminonaphthalenederived prolinamides catalyst 1. The desired Michael adducts were obtained in high yields (up to 93%) as well as good diastereoselectivities (>99:1) and enantioselectivities (48%-99% ee).

Reduction of ethanethiol esters to aldehydes

Tokuyama, Hidetoshi,Yokoshima, Satoshi,Lin, Shao-Cheng,Li, Leping,Fukuyama, Tohru

, p. 1121 - 1123 (2007/10/03)

Reduction of ethanethiol esters of α-amino acids to α-amino aldehydes by triethylsilane and catalytic palladium-on-carbon is described. α-Amino aldehydes with Boc, Cbz, or Fmoc protection could be obtained without racemization in high yield.

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