نتایج جستجو برای: suzuki

تعداد نتایج: 4361  

2017
Mujeeb Khan Mufsir Kuniyil Mohammed Rafi Shaik Merajuddin Khan Syed Farooq Adil Abdulrahman Al-Warthan Hamad Z. Alkhathlan Wolfgang Tremel Muhammad Nawaz Tahir Mohammed Rafiq H. Siddiqui

Suzuki-Miyaura coupling reaction catalyzed by the palladium (Pd)-based nanomaterials is one of the most versatile methods for the preparation of biaryls. However, use of organic solvents as reaction medium causes a big threat to environment due to the generation of toxic byproducts as waste during the work up of these reactions. Therefore, the use of water as reaction media has attracted tremen...

2005
ERIC T. MACKENZIE WILLIAM FITCH DAVID I. GRAHAM PETER C. GREGORY

prostaglandin F2 in the genesis of experimental cerebral vasospasm. Angiographic study in dogs. J Neurosurg 37: 398-406, 1972 44. 37. Raynor RB, Mcmurtry JG: Prevention of serotonin-produced cerebral vasospasm. An evaluation of blocking agents. J Neurosurg 20: 94-96, 1963 38. Rosenblum WI, Guilianti D: Participation of cerebrovascular 45 nerves in generalized sympathetic discharge. Arch Neurol ...

We have demonstrated a simple and efficient route for the synthesis of a novel imine based tridentate ligand and its Pd-complex to investigate the C-C cross-coupling reactions, that involve column chromatography purification in only one step. The catalytic activity of the newly synthesized catalyst was studied for the Suzuki, Sonogashira and, Heck cross-coupling reactions under mild conditions....

1996
Matthias Blau

We investigate in detail the topological gauged Wess-Zumino-Witten models describing topological Kazama-Suzuki models based on complex Grassmannians. We show that there is a topological sector in which the ring of observables (constructed from the Grassmann odd scalars of the theory) coincides with the classical cohomology ring of the Grassmannian for all values of the level k. We perform a det...

2014
MASATOSHI SUZUKI M. SUZUKI

At first, we show the following matter. Theorem 1. Let H∗(y; s) be as above. Suppose that y ≥ 1 and p(s) has N many zeros counted with multiplicity in the right half-plane R(s) > 1/2. Then H∗(y; s) has at most N +1 many zeros in the right half-plane R(s) > 1/2 counting with multiplicity, and the same thing holds in the left half-plane R(s) < 1/2. The trivial functional equation H(y; s) = H(y; 1...

2000
JIN QIAN

Alon, Babai and Suzuki proved the following theorem: Let p be a prime and let K , L be two disjoint subsets of {0, 1, . . . , p − 1}. Let |K | = r, |L| = s, and assume r(s − r + 1) ≤ p − 1 and n ≥ s + kr where kr is the maximal element of K . Let F be a family of subsets of an n-element set. Suppose that (i) |F | ∈ K (mod p) for each F ∈ F; (ii) |E ∩ F | ∈ L (mod p) for each pair of distinct se...

Suzuki cross-coupling reaction of different aryl halides with arylboronic acids was successfully carried out in methanol using ortho-palladated complex of 2-methoxyphenethylamine. All substrates afforded the corresponding products in good to high yields in the presence of low amounts of this complex as efficient and active catalyst. Application of microwave irradiation improved the yields of th...

Suzuki cross-coupling reaction of different aryl halides with arylboronic acids was successfully carried out in methanol using ortho-palladated complex of 2-methoxyphenethylamine. All substrates afforded the corresponding products in good to high yields in the presence of low amounts of this complex as efficient and active catalyst. Application of microwave irradiation improved the yields of th...

1996
HANS CUYPERS

Four extended generalized hexagons related to the simple groups G2(2)', PSU4(3), HJ and Suz are characterized by the condition that any triple of points {x, y, z) is a clique of the point graph not in a circle of the extended hexagon if and only if the distance of y and z in the residue at x is 3.

Journal: :CoRR 2017
John N. Bray Henrik Bäärnhielm

We present a new algorithm for constructive recognition of the Suzuki groups in their natural representations. The algorithm runs in Las Vegas polynomial time given a discrete logarithm oracle. An implementation is available in the Magma computer algebra system.

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