Synthesis of (±)-2-Methoxy-9a-Carbamorphinan and (±)-2-Methoxy-9a-Carba-14α-Morphinan: Acid Catalyzed Cyclizations of 1-m-Methoxybenzyl-4, 4a,5,6,7,8-Hexahydronaphthalen-2(3H)-ONE and 1 -m-Methox Ybenzyloctalins

Sitaram Pal Department of Organic Chemistry, Indian Association for the Cultivation of Science Jadavpur, Calcutta, 700 032, INDIA

Sukumar Ghosh Department of Organic Chemistry, Indian Association for the Cultivation of Science Jadavpur, Calcutta, 700 032, INDIA

Bimal K. Banik Department of Organic Chemistry, Indian Association for the Cultivation of Science Jadavpur, Calcutta, 700 032, INDIA

Shaikh Khairul Alam Department of Organic Chemistry, Indian Association for the Cultivation of Science Jadavpur, Calcutta, 700 032, INDIA

Usha Ranjan Ghatak Department of Organic Chemistry, Indian Association for the Cultivation of Science Jadavpur, Calcutta, 700 032, INDIA

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Sitaram Pal, Monika Mukherjee, AlokK. Mukherjee, M. Helliwell & Usha Ranjan Ghatak. (1992) The Correct Structures of the ortho-Cyclized Products in the Cycloalkylations of 1-m-Methoxybenzyl-4,4a,5,6,7,8-Hexahydronaphthalen-2(3H)-One and 1-m-Methoxybenzyl-Octalins : X-Ray Structure Determination of (±)-4-Methoxy-9a-Carbamorphinan-16-One. Synthetic Communications 22:17, pages 2509-2512.
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S. PAL, S. GHOSH, B. K. BANIK, S. K. ALAM & U. R. GHATAK. (2010) ChemInform Abstract: Synthesis of (.+‐.)‐2‐Methoxy‐9a‐carbamorphinan (V) and (.+‐.)‐2‐ Methoxy‐9a‐carba‐14α‐morphinan (IX). Acid‐Catalyzed Cyclizations of 1‐(m‐Methoxybenzyl)‐4,4a,5,6,7,8‐hexahydronaphthalen‐2(3H)‐one (II) and 1‐(m‐Methoxybenzyl)octalin (VI) ‐ (VIII).. ChemInform 22:10.
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Synthesis of (±)-2-Methoxy-9a-Carbamorphinan and (±)-2-Methoxy-9a-Carba-14α-Morphinan: Acid Catalyzed Cyclizations of 1-m-Methoxybenzyl-4, 4a,5,6,7,8-Hexahydronaphthalen-2(3H)-ONE and 1 -m-Methox Ybenzyloctalins

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Synthesis of (±)-2-Methoxy-9a-Carbamorphinan and (±)-2-Methoxy-9a-Carba-14α-Morphinan: Acid Catalyzed Cyclizations of 1-m-Methoxybenzyl-4, 4a,5,6,7,8-Hexahydronaphthalen-2(3H)-ONE and 1 -m-Methox Ybenzyloctalins

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