Methods of preparation of Benzimidazole using formamidine acetate?

Question

hello, i need a step by step procedure of preparing BENZIMIDAZOLE using formamidine acetate as a starting material. I badly need it for my organic chemistry subject. If u are a chemistry genious, pls. help me. I'll include my e-mail add so u can send me an electronic copy if its in full text, or just give me your answer here. Also, i need the source where the procedure came from. if u get it from the net,kindly write the website. if its from a book, also, include the reference and page. thanks and I'm counting for ur help.
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Answer 1

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