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1000679-96-8

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1000679-96-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1000679-96-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,0,0,6,7 and 9 respectively; the second part has 2 digits, 9 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1000679-96:
(9*1)+(8*0)+(7*0)+(6*0)+(5*6)+(4*7)+(3*9)+(2*9)+(1*6)=118
118 % 10 = 8
So 1000679-96-8 is a valid CAS Registry Number.

1000679-96-8Relevant articles and documents

Lewis Acid-Catalyzed [4+2] Annulation between Propargylic Alcohols with Benzo[d]isoxazoles

Han, Ya-Ping,Li, Xue-Song,Sun, Zhou,Zhu, Xin-Yu,Li, Ming,Song, Xian-Rong,Liang, Yong-Min

, p. 2735 - 2740 (2017)

An unprecedented copper(II) trifluoromethanesulfonate-catalyzed [4+2] cascade annulation of propargylic alcohols with benzo[d]isoxazoles proceeds through a sequential ring opening/Meyer–Schuster rearrangement/intermolecular cyclization. This protocol, whi

In Situ Generation of Allenes and their Application to One-Pot Assembly of Functionalized Fluoreno[3,2-b]furans by Calcium-Catalyzed, Regioselective, 3-Component Reactions

Rajesh, Pallava,Yaragorla, Srinivasarao

, p. 7243 - 7251 (2020)

We have developed a novel synthetic methodology for the preparation of tetra-annulated fluorenofurans and fluorenopyrans using calcium(II)-catalyzed one-pot, three-component reaction. In this reaction, tert-propargyl alcohols react with 1,3-dicarbonyls to form tetra-substituted allenes, which are subsequently undergoing regiodivergent annulation with sec-propargyl alcohols to produce the fluorene-fused furan compounds. Broad substrate scope, regioselectivity, gram-scale synthesis, and benzylic functionalization of products are some of the highlights of this protocol.

Ca(II)-Mediated Regioselective One-pot Sequential Annulation of Acyclic compounds to Polycyclic Fluorenopyrans

Yaragorla, Srinivasarao,Rajesh,Pareek, Abhishek,Kumar, Ankit

, p. 4422 - 4428 (2018)

Herein we report a facile synthesis of tetracyclic fluorenopyrans from simple acyclic reactants, propargyl alcohols and 3-methylpentane-2,4-dione under calcium catalysis. This one-pot, 3-component reaction proceeds through a sequential allene formation, F

Calcium-Catalyzed Intramolecular Hydroamination-Deacylation Reaction of in situ formed β-Amino Allenes

Yaragorla, Srinivasarao,Latha, Dandugula Sneha,Rajesh, Pallava

supporting information, p. 5486 - 5492 (2021/12/10)

We have developed a simple, One-Pot, three-component reaction of tert-propargyl alcohols, primary amines and acyl ketones to synthesize fully substituted pyrroles and pyridine derivatives in good to excellent yields with large substrate diversity. An eco-friendly calcium catalyst catalyzes the reaction to form the key intermediate β-amino allene that undergoes subsequent Thorpe-Ingold effect assisted hydroamination and aromaticity driven deacylation reaction to yield fully substituted five and six-membered azacyclic compounds. (Figure presented.).

Synthesis of 2-(Isoquinolin-1-yl)prop-2-en-1-ones via Silver(I)-Catalyzed One-Pot Tandem Reaction of ortho-Alkynylbenzaldoximes with Propargylic Alcohols

Nikbakht, Ali,Balalaie, Saeed,Breit, Bernhard

supporting information, p. 7645 - 7648 (2019/10/14)

The silver(I)-catalyzed reaction of ortho-alkynylbenzaldoximes with propargylic alcohols represents a new strategy for the divergent one-pot synthesis of 2-(isoquinolin-1-yl) prop-2-en-1-ones via tandem 6-endo-cyclization, 1,3-dipolar cycloaddition, and intramolecular dehydrative opening of the 2,3-dihydroisoxazole ring. This synthetic protocol tolerates a wide variety of ortho-alkynylbenzaldoximes and propargylic alcohols and affords the corresponding products in excellent yields.

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