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"10,17-bis(benzyloxy)-11,12,15,16-tetramethoxy<8,0>metacyclophane" is a complex organic compound characterized by its unique cyclic structure. It features a metacyclophane framework, which is a type of cyclic hydrocarbon with a ring size that is not the most stable that for type of compound. The compound is adorned with two benzyloxy groups at the 10 and 17 positions, which are benzyl ether functional groups derived from benzyl alcohol. Additionally, it has four methoxy groups at the 11, 12, 15, and 16 positions, which are methyl ether functional groups derived from methanol. The <8,0> notation in the name suggests a specific arrangement or connectivity within the cyclic structure, indicating an 8-membered ring with a 0-degree twist, which is a way to describe the spatial relationship between the two benzyloxy groups. 10,17-bis(benzyloxy)-11,12,15,16-tetramethoxy<8,0>metacyclophane is likely to be of interest in organic chemistry, particularly in the study of complex cyclic structures and their potential applications in materials science or as intermediates in the synthesis of other compounds.

74994-65-3

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74994-65-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 74994-65-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,9,9 and 4 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 74994-65:
(7*7)+(6*4)+(5*9)+(4*9)+(3*4)+(2*6)+(1*5)=183
183 % 10 = 3
So 74994-65-3 is a valid CAS Registry Number.

74994-65-3Downstream Products

74994-65-3Relevant academic research and scientific papers

Total Syntheses of the meta,meta-Bridged Biphenyls (+/-)-Myricanol and Myricanone, and of an Isomeric Biphenyl Ether, a 14-Oxametaparacyclophane

Whiting, Donald A.,Wood, Andrew F.

, p. 623 - 628 (2007/10/02)

The oxidative coupling of 1,7-bis(hydroxyphenyl)heptanoids (2a,b) has been investigated: C-C coupling to meta,meta-bridged biaryls was not observed, but with thallium tris(trifluoroacetate) C-O coupling occurred forming a 14-oxametaparacyclophane analogous to the natural phenols acerogenin-A and galeon.Intramolecular reductive coupling, using tetrakis(triphenylphosphine)nickel(0), of the bis-iodides (11a,b) derived from phenols (2a,b), leads, after deprotection, to the desired meta,meta-bridged biphenyls myricanone and (+/-)-myricanol, albeit in rather low yield.OO-Dimethylmyricanone and (+/-)-OO-dimethylmyricanol were similarly synthesized.Irradiation (254 nm) in alkaline ethanol of the bromides (11g,h) also induced aryl-aryl coupling to form dibenzylmyricanone and (+/-)-dibenzylmyricanol acetate respectively.

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