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604774-80-3

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604774-80-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 604774-80-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,0,4,7,7 and 4 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 604774-80:
(8*6)+(7*0)+(6*4)+(5*7)+(4*7)+(3*4)+(2*8)+(1*0)=163
163 % 10 = 3
So 604774-80-3 is a valid CAS Registry Number.

604774-80-3Upstream product

604774-80-3Relevant articles and documents

Scope and limitations of the scandium-catalyzed enantioselective addition of chiral allylboronates to aldehydes

Gravel, Michel,Lachance, Hugo,Lu, Xiaosong,Hall, Dennis G.

, p. 1290 - 1302 (2007/10/03)

Scandium triflate catalyzes the addition of camphor-derived allyl-, methallyl-, and crotylboronates to aldehydes to provide homoallylic alcohols with excellent diastereo- and enantioselectivity. Aromatic, aliphatic, and propargylic aldehydes can be used successfully in this system. Additional advantages of the camphor-diol allylboronates are their ease of synthesis, their availability in both enantiomeric forms, and their stability towards silica gel chromatography. The usefulness of this methodology is further demonstrated by the gram-scale synthesis of various homoallylic alcohols of high enantiomeric excess and by the concise synthesis of the pheromone (4S)-2-methyloctan-4-ol. 1 Introduction 2 Results and Discussion 2.1 Optimization 2.2 Substrate Scope 2.3 Synthetic Applications 2.4 Mechanistic Considerations 3 Conclusion.

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