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Ch. 16 - Metals in Organic Chemistry
Mullins - Organic Chemistry: A Learner Centered Approach 1st Edition
Mullins1st EditionOrganic Chemistry: A Learner Centered ApproachISBN: 9780137566471당신이 사용하는 게 아니라요?교과서 변경
15장, 문제 3

Suggest a reagent for the transformation of a 1° alcohol to a 1° alkyl halide.
Diagram showing the conversion of a 1° alcohol to a 1° alkyl halide, with a question mark indicating the required reagent.

검증된 단계별 안내
1
Identify the starting material and the desired product. The starting material is a primary alcohol, and the desired product is a primary alkyl bromide.
Recognize that the transformation involves replacing the hydroxyl group (-OH) of the alcohol with a bromine atom (Br).
Consider common reagents used for converting primary alcohols to primary alkyl halides. One effective reagent for this transformation is phosphorus tribromide (PBr₃).
Understand the mechanism: PBr₃ reacts with the alcohol to form an intermediate, which then undergoes a substitution reaction to replace the -OH group with a bromine atom.
Note that this reaction typically proceeds with inversion of configuration at the carbon center, which is important if the starting alcohol is chiral.

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이 영상 해법은 위 문제에 도움이 된다고 튜터들이 추천한 것입니다.

주요 개념

질문에 올바르게 답하기 위해 반드시 이해해야 하는 핵심 개념들은 다음과 같습니다.

Alcohols and Their Reactivity

Alcohols are organic compounds containing a hydroxyl (-OH) group. The reactivity of alcohols varies based on their structure (primary, secondary, or tertiary) and the conditions under which they are transformed. Primary alcohols, like the one in the question, can undergo nucleophilic substitution reactions to form alkyl halides.
추천 영상:
01:01
How to name alcohols

Nucleophilic Substitution Reactions

Nucleophilic substitution is a fundamental reaction in organic chemistry where a nucleophile replaces a leaving group in a molecule. For converting a primary alcohol to an alkyl halide, reagents like thionyl chloride (SOCl2) or phosphorus tribromide (PBr3) can be used, facilitating the substitution of the hydroxyl group with a halide.
추천 영상:
01:47
Nucleophiles and Electrophiles can react in Substitution Reactions.

Reagents for Alcohol Conversion

Specific reagents are required to convert alcohols into alkyl halides effectively. Thionyl chloride and phosphorus tribromide are common choices for this transformation, as they promote the conversion through mechanisms that involve the formation of an intermediate that can easily lose the hydroxyl group and replace it with a halide.
추천 영상:
04:30
Comparing and contrasting the Alcohol Conversions.