结果1 题目 1 What is the name of the compound below?H3C CH2CH3 C ==C HBr A E-3-bromopent-2-ene B E-3-bromopent-3-ene C Z-3-bromopent-2-ene D Z-3-bromopent-3-ene Your answer A 相关知识点: 试题来源: 解析 A 反馈 收藏 ...
搜索智能精选题目The compound which does not belong to one carbon unit as follow is. A. -CH3 B. =CH2 C. =CH- D. CO2答案D
N-acetylcysteine(0.43 g, 2.6 mmol) and ammonium acetate (0.60 g, 7.8 mmol) in 10 mL of methanol was heated at 60° C. undernitrogen for 2 days.The solvent was evaporated and the crude material was purified by preparative RPLC using a gradient of CH3CN:0.1M NH4OAc...
The molecular formula mass of the compound CH2O is 120 amu. What are the subscripts in the actual molecular formula? What is the formula for alkenes? What is the structural formula of 10 isomers of heptane? Explain how to name the following compound: CH3-CH-CH2-CH2-CH3 ...
Q1 IUPAC name of the following compound is: CH3C(C2H5)2CH2Br View Solution Q2 (i) Write the IUPAC name of the following compounds. CH3−CH|CH3−CH|OH−CH|C2H5−CH|OH−CH3 (ii) Write the IUPAC name of the following compound View Solution Q3 IUPAC name of following compoun...
Recently, a novel cyclo-heptapeptide composed of alternating d,l-amino acids and a unique thiazolidine heterocycle, called lugdunin, was discovered, which is produced by the nasal and skin commensal Staphylococcus lugdunensis. Lugdunin displays potent an
The internal space of the termite mound shows a complex structure: the center of the interior consists of a main chamber and many compound chambers extending radially from the sides of the main chamber, which interact with each other to form a complete space for internal and external circulation...
Answer to: Predict the major organic product formed when the compound shown below undergoes reaction with CH_3ONa in CH_3OH. By signing up, you'll...
The survival fraction of malignant glioma cells at different concentration level of MTX derivatives is presented in Fig. 1. This indicates with 12.5 μM concentration all MTX derivatives except MTX-Glutaraldehyde and MTX-2-pentanal compared to MTX-parent compound has better capability to kill MG-...
Fermented fish products called “narezushi” have long been produced in Japan. Narezushi is a general term for fermented cured fish and boiled rice. The fish and rice are usually fermented in barrels, under the pressure of stones, for more than one year (Fujii, Watanabe, Horikoshi, Takahashi...