A5004597888- Oxidative Organic Chemistry Reactions
- Asymmetric Synthesis and Catalysis
- Algal biology and biofuel production
- Marine Sponges and Natural Products
- Traditional and Medicinal Uses of Annonaceae
- Pain Management and Treatment
- Spinal Fractures and Fixation Techniques
- Chemical Synthesis and Reactions
- Musculoskeletal pain and rehabilitation
- Antioxidant Activity and Oxidative Stress
- Spine and Intervertebral Disc Pathology
- Aquaculture Nutrition and Growth
- Phytochemistry and Bioactivity Studies
- Myofascial pain diagnosis and treatment
- Sulfur-Based Synthesis Techniques
Korea University Medical Center
2016-2017
Myongji University
2001-2005
Objective To evaluate the risk of phrenic nerve injury during ultrasound-guided stellate ganglion block (US-SGB) according to sonoanatomy nerve, and determine a safer posture for needle insertion by assessing its relationship with surrounding structure positional change. Methods Twenty-nine healthy volunteers were recruited underwent ultrasound in two postures, i.e., supine position neck extension head rotation, lateral decubitus position. The transducer was placed at anterior tubercle C6...
Successive elongation by a C5 unit is possible when an allylic sulfone coupled with 4-bromo-3-methyl-2-butenyl phenyl sulfide (1). The thiosulfone compound formed was then oxidized to the corresponding disulfone, which, upon coupling another equivalent of 1 and oxidation, produced trisulfone 2, again elongated (see scheme). This process, which can be repeated again, basis for highly efficient synthesis carotenoids.
Abstract An efficient synthetic method for the allylic sulfone 2 containing a conjugated triene moiety has been proposed involving i ) coupling of sulfones 4 with C 5 bromoallylic sulfide , ii base‐promoted dehydrosulfonation in presence sulfide, and iii selective oxidation resulting trienyl to corresponding sulfone. Total synthesis lycopene starting from 15 2b described, where new 10 bis(chloroallylic) 11 proved be useful substitute 3 which did not require problematic chemoselective sulfur polyene.
To observe the contrast spread in superoposterior transforaminal epidural steroid injection (SP TFESI) and investigate correlation between patterns efficacy.Thirty-one patients with lumbosacral radiculopathy underwent single-level TFESI under fluoroscopy. The final needle tip position was targeted toward SP quadrant of intervertebral foramen. spread, 1 mL material injected, followed by a injection. graded anteroposteriorly vertically space. effect evaluated proportional pain score...
Sukzessive Verlängerung durch eine C5-Einheit: Nach Reaktion eines Allylsulfons mit (4-Brom-3-methyl-2-butenyl)phenylsulfid 1 und Oxidation des Kupplungsproduktes zum Disulfon kann zweite Kupplung einem weiteren Äquivalent stattfinden, nach erneuter entsteht das Trisulfon 2. Dieser Vorgang, der nochmals wiederholt werden kann, bildet die Grundlage einer hocheffizienten Carotinoid-Synthese.
Abstract For see ChemInform in Full Text.