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11. A radical cyclization cascade was used in the total synthesis of the natural product, hirsutene. Propose a mechanism for this transformation. Hints: a) Start by using the tin radical (left) to abstract the iodide. b) After both new rings are formed, an H atom can be abstracted from Bu;Sn-H to complete the mechanism. BuzSnH AĪBN Bu, Sn' benzene 80 °C 80% yield hirsutene

11. A radical cyclization cascade was used in the total synthesis of the natural product, hirsutene. Propose a mechanism for this transformation. Hints: a) Start by using the tin radical (left) to abstract the iodide. b) After both new rings are formed, an H atom can be abstracted from Bu;Sn-H to complete the mechanism. BuzSnH AĪBN Bu, Sn' benzene 80 °C 80% yield hirsutene

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Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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11. A radical cyclization cascade was used in the total synthesis of the natural product, hirsutene. Propose a mechanism for this transformation. Hints: a) Start by using the tin radical (left) to abstract the iodide. b) After both new rings are formed, an H atom can be abstracted from Bu3Sn–H to complete the mechanism.

11. A radical cyclization cascade was used in the total synthesis of the natural product, hirsutene. Propose a mechanism for this transformation. Hints: a) Start by using the tin radical (left) to abstract the iodide. b) After both new rings are formed, an H atom can be abstracted from Bu;Sn-H to complete the mechanism. BuzSnH AĪBN Bu, Sn benzene 80 °C 80% yield hirsutene
Transcribed Image Text:11. A radical cyclization cascade was used in the total synthesis of the natural product, hirsutene. Propose a mechanism for this transformation. Hints: a) Start by using the tin radical (left) to abstract the iodide. b) After both new rings are formed, an H atom can be abstracted from Bu;Sn-H to complete the mechanism. BuzSnH AĪBN Bu, Sn benzene 80 °C 80% yield hirsutene
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