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Cyclic amides are called which of the following? O lactanes lactines lactams o lactones Show transcribed...
Help with synthesis of an antibiotic macrolide. Macrolides are large ring lactones (cyclic esters) which have been shown to have both anti-tumor and antibiotic activity. In the synthesis of an antibiotic macrolide, Compound A(C_8H_16O_3) was prepared. A was transformed into B(C_8H_14O_3) using pyridinium chlorochromate (PCC) in methylene chloride. B reacts with one equivalent of vinyl Grignard reagent to yield C(C_10H_18O_3) after workup in acidic water. If excess vinyl Grignard is used, F (shown below) is formed. C, when placed in...
2:20 E 82% Which of the following statements is/are CORRECT? i. Cyclic alkanes and non-cyclic alkynes with the same number of carbons have the same empirical formula ii. Aldehydes and cyclic ethers with the same number of carbons have the same empirical formula iii. Aromatic carboxylic acids and lactones with the same number of carbon atoms have the same empirical formula iii only i only Ο Ο ii & iii only ii only i & iii only How many absorption...
QUESTION 28 Acyl homoserine lactones are small molecules involved in which process? catabolite repression O nitrogen assimilation stringent response O quorum sensing QUESTION 29 When a virus enters a host cell in which it can replicate, the process is called a O Prophase Excision Infection Insertion QUESTION 30 The first step in the infection cycle of a virus is O replication of its genome O degradation of the host genome lysis of the host cell O attachment to the host...
Please answer all... Thank you! 45) Which of the following is true of cyclic photophosphorylation? (1 pts) Water is split to produce oxygen. NADP+ is reduced directly at the end of a liner O-R system. Electrons emitted during radiant excitation of bacteriochlorophylls are retunred through a cyclic O-R system O None of the above are correct. 46) Which of the following is true of the glycolytic pathway? (1 pts) The pathway begins with glucose. The pathway ends with pyruvate. The...
Which amino acid does not have a cyclic R-group? Phenylalanine Tyrosine Arginine Histidine
all part of a big question please answer all neatly. What is the major product in the following reaction? CH,CH-Mgelether Page 1 4 3. H,O/heat D Cyclic esters are called: A) lactones. B) lactams C) lacrimals D) imides What compound is produced when N,N-dimethylacetamide (shown below) is treated with LIAIH4? A) CH3CH2CON B) CH3CH2CH2NH су сHаCHзCH2Oн D) CH3CH2CH2N(CH32 E) CH3CH2N(CH3)2 X A AA What is the major product in the following reaction? Page | 5 Pyridine HyC What are the...
Multiple choice. Circle the best answer and bubble it in on your scantron. 1. 1) The combination of a carbonyl group and a hydroxyl group on the same carbon atom is called a group A) carbamate dB) carbonate C) urethane carboxyl E) carboxylate 2. What is the common name for the following compound? OH HO A) Y-hydroxyvaleric acid acid B) Y-hydroxypentanoic acid C) Y-hydroxy-y-methylbutyric D) 5-hydroxyvaleric acid E) correct answer not listed. Based on the inductive effect on, which of...
which of the above 8 terpenes does the IR spectrum belongs to ? determine the peaks that belongs to the terpene. attached are reference table for finding peaks . U right scandidate terpenes narrone Citral litronellol p-upmene Myreene geraniol linenene Menthone Transance 4000 101 - Wed Oct 15 703 322019 GMT-0001 3500 3000 2964.0B 304704 3D08.40 2919.65 205448 2500 2000 1715.80 1645.25 1622 07 159331 1576 51 1495 54 1449.04 1376.494 133870 126369 115592 109716 980 65 955.96 914 BBB...
Which of the following compounds is nonpolar? O ONF OF2 O CHCl3 O NH+
21. Let G be a cyclic group of order n. Show that there are exactly o(n) generators for G.