Starting from acetylene and using any alkyl halide required how cyclodecyne can be prepared is to be shown. Concept introduction: An open chain alkyne can be converted in to a cyclic alkyne with more number of carbons, first by converting it in to a disodio derivative by treatment with two molar equivalents of NaNH 2 in NH 3 followed by treatment with a suitable dibromide containing the required number of carbons. To show: Starting from acetylene and using any alkyl halide required how cyclodecyne can be prepared.

Question

For each reaction below, decide if the first stable organic product that forms in solution will create a new CC bond, and check the appropriate box. Next, for each reaction to which you answered "Yes" to in the table, draw this product in the drawing area below. Note for advanced students: for this problem, don't worry if you think this product will continue to react under the current conditions - just focus on the first stable product you expect to form in solution. ? NH2 MgBr Will the first product that forms in this reaction create a new CC bond? ○ Yes ○ No MgBr ? Will the first product that forms in this reaction create a new CC bond? O Yes O No Click and drag to start drawing a structure. :☐ G x c olo Ar HE

Answer 1

Question

Chapter 9.SE, Problem 44AP

Interpretation Introduction

Interpretation:

Starting from acetylene and using any alkyl halide required how cyclodecyne can be prepared is to be shown.

Concept introduction:

An open chain alkyne can be converted in to a cyclic alkyne with more number of carbons, first by converting it in to a disodio derivative by treatment with two molar equivalents of NaNH₂ in NH₃ followed by treatment with a suitable dibromide containing the required number of carbons.

To show:

Starting from acetylene and using any alkyl halide required how cyclodecyne can be prepared.

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For each reaction below, decide if the first stable organic product that forms in solution will create a new CC bond, and check the appropriate box. Next, for each reaction to which you answered "Yes" to in the table, draw this product in the drawing area below. Note for advanced students: for this problem, don't worry if you think this product will continue to react under the current conditions - just focus on the first stable product you expect to form in solution. ? NH2 MgBr Will the first product that forms in this reaction create a new CC bond? ○ Yes ○ No MgBr ? Will the first product that forms in this reaction create a new CC bond? O Yes O No Click and drag to start drawing a structure. :☐ G x c olo Ar HE

Predicting As the lead product manager at OrganometALEKS Industries, you are trying to decide if the following reaction will make a molecule with a new C - C bond as its major product: H₂N O H 1. ? 2. H3O+ If this reaction will work, draw the major organic product or products you would expect in the drawing area below. If there's more than one major product, you can draw them in any arrangement you like. Be sure you use wedge and dash bonds if necessary, for example to distinguish between major products with different stereochemistry. 0 If the major products of this reaction won't have a new CC bond, just check the box under the drawing area and leave it blank. فا Explanation Check Click and drag to start drawing a structure.

Highlight the chirality (or stereogenic) center(s) in the given compound. A compound may have one or more stereogenic centers. OH OH OH OH OH OH