In the Wittig reaction, the cyclic gxaphosphetane intermediate (shown below) undergoes fragmentation to produce an olefin and a phosphine oxide. Hypothetically, two possible arrow pushing mechanisms can be proposed but only one is correct. Please select one (mechanism 1 or mechanism 2) and explain why it is correct. If you believe both are correct, also explain why. Ph Ph. Ph Ph Ph Ph mechanism 1 mechanism 2 Ph Ph Ph
In the Wittig reaction, the cyclic gxaphosphetane intermediate (shown below) undergoes fragmentation to produce an olefin and a phosphine oxide. Hypothetically, two possible arrow pushing mechanisms can be proposed but only one is correct. Please select one (mechanism 1 or mechanism 2) and explain why it is correct. If you believe both are correct, also explain why. Ph Ph. Ph Ph Ph Ph mechanism 1 mechanism 2 Ph Ph Ph
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![In the Wittig reaction, the cyclic gxaphosphetane intermediate (shown below)
undergoes fragmentation to produce an olefin and a phosphine oxide. Hypothetically,
two possible arrow pushing mechanisms can be proposed but only one is correct.
Please select one (mechanism 1 or mechanism 2) and explain why it is correct. If you
believe both are correct, also explain why.
Ph
Ph.
Ph
Ph
Ph
Ph
mechanism 1
mechanism 2
Ph
+
Ph
Ph](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Faf05f0be-f264-43df-ae21-f2c6341178dc%2F10bce70f-ff92-4156-841b-b32b29bf1ed3%2F32cttk7_processed.png&w=3840&q=75)
Transcribed Image Text:In the Wittig reaction, the cyclic gxaphosphetane intermediate (shown below)
undergoes fragmentation to produce an olefin and a phosphine oxide. Hypothetically,
two possible arrow pushing mechanisms can be proposed but only one is correct.
Please select one (mechanism 1 or mechanism 2) and explain why it is correct. If you
believe both are correct, also explain why.
Ph
Ph.
Ph
Ph
Ph
Ph
mechanism 1
mechanism 2
Ph
+
Ph
Ph
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