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Date: 30-10-2019
852
Date: 4-2-2019
1456
Date: 16-5-2017
1761
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Molecules which contain two carbonyl functionalities have the possibility of forming a ring through an intramolecular aldol reaction. In most cases two sets of α
hydrogens need to be considered. As with most ring forming reaction five and six membered rings are preferred (less ring strain).
As with other aldol reaction the addition of heat causes an aldol condensation to occur.
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هل يمكن للدماغ البشري التنبؤ بالمستقبل أثناء النوم؟
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علماء: طول الأيام على الأرض يزداد بسبب النواة الداخلية
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أجواء صلاة عيد الأضحى المبارك من العتبة العسكرية المقدسة
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