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The chemical compound "(3aR*,4R*,7aR*)-3a-ethoxycarbonyl-4-methoxy-2,3-dioxo-7a-phenyl-6-trimethylsilyloxy-2,3,3a,4,7,7a-hexahydroindole" is a complex organic molecule with a unique structure. It features a hexahydroindole core, which is a type of indole ring system that has been reduced to contain six hydrogen atoms in its structure. The compound is characterized by the presence of an ethoxycarbonyl group at the 3a position, a methoxy group at the 4 position, and a trimethylsilyloxy group at the 6 position. Additionally, it contains a 2,3-dioxo group, indicating the presence of two oxygen atoms double-bonded to carbon, and a 7a-phenyl group, which is a phenyl ring attached at the 7a position. The stereochemistry of the molecule is defined by the (3aR*,4R*,7aR*) configuration, indicating the specific three-dimensional arrangement of atoms at these positions. (3aR*,4R*,7aR*)-3a-ethoxycarbonyl-4-methoxy-2,3-dioxo-7a-phenyl-6-trimethylsilyloxy-2,3,3a,4,7,7a-hexahydroindole is likely to be of interest in the fields of organic chemistry and pharmaceuticals due to its potential applications in the synthesis of complex molecules and its structural features.

79648-93-4

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79648-93-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 79648-93-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,9,6,4 and 8 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 79648-93:
(7*7)+(6*9)+(5*6)+(4*4)+(3*8)+(2*9)+(1*3)=194
194 % 10 = 4
So 79648-93-4 is a valid CAS Registry Number.

79648-93-4Relevant academic research and scientific papers

FACTORS CONTROLLING C=C VS. C=O ATTACK IN CYCLOADDITION OF A 1,3-DIENE TO AN AMBIDENT DIENOPHILE. DIELS-ALDER REACTION OF 2-PHENYL-Δ2-PYRROLINE-4,5-DIONES

Sano, Takehiro,Toda, Jun,Tsuda, Yoshisuke

, p. 356 - 359 (2007/10/02)

The cycloaddition using an enone as a dienophile is on a balance with the normal C=C attack (ene-addition) and the unusual C=O attack (one-addition) of a diene.Steric hindrance on the C=C (caused by such phenomena as restricted free rotation of the substituent on C=C) retards the C=C attack, thus increasing the ratio of one-addition.Lewis acids greatly increase not only the reactivity of C=O but also the ratio of one-addition.KEYWORDS --- 1-methoxy-3-trimethylsilyloxybutadiene; Diels-Alder reaction; dioxopyrroline; ambident dienophile; ene-addition; one-addition; steric hindrance; Lewis acid

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