Herein we describe the Fmoc-solid-phase synthesis of natural products JBIR-126 (Tambromycin), JBIR-35 and their analogs. These compounds were prepared by the incorporation of several amino acids at the two possible amidation sites. For the serine terminal region both serine and methyl serine ...
ChemInform Abstract: Pyrrolidine-Containing Peptides, JBIR-126 (I), -148 (II), and -149 (III), from Streptomyces sp. NBRC 111228.ChemInform Abstract: Pyrrolidine-Containing Peptides, JBIR-126 (I), -148 (II), and -149 (III), from Streptomyces sp. NBRC 111228.doi:10.1002/chin.20160317...
分析及建议: 胎心率正常值在120到160分钟,现在宝宝的胎心率在正常范围,36周以后要每周做一次胎心监护。只要宝宝反应良好,就可以排除缺氧。如果宝宝个子不大,骨盆正常是可以试产的,这样的头可不算大。只要骨盆正常顺产没有问题的,足月以后。 患者 怀孕36周胎心率126/,这个心率是不是有点偏低?一直想顺产,请问这样顺...
New pyrrolidine containing peptides JBIR-126 (1), JBIR-148 (2), and JBIR-149 (3) were isolated from a culture of Streptomyces sp. NBRC 111228 obtained from soil collected in the Okinawa Prefecture, Japan. The planar structures of 1, 2, and 3 were established based on 1D and 2D NMR...